Difference between revisions of "Inspector Koo"

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Drama: Inspector Koo
Revised romanization: Kookyungyi
Hangul: 구경이
Director: Lee Jung-Heum
Writer: Sungchoyi
Network: JTBC
Episodes: 12
Release Date: October 30 - December 12, 2021
Runtime: Saturday & Sunday 22:30
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

Koo Kyung-Yi (Lee Young-Ae) is in her 40's. She is a former police officer, but now works as an insurance investigator and a private detective. With her smarts and excellent intuition, she is able to solve cases. Koo Kyung-Yi tries to catch a serial killer, who is a female university student.

Notes

"Inspector Koo" takes over JTBC's Saturday & Sunday 22:30 time slot previously occupied by "Lost" and followed by "Snowdrop" on December 18, 2021.
First script reading took place in May, 2021.
Ep. 9 & 10, that was originally scheduled to air the weekend of November 27-28, 2021, will air a week later on December 4-5, 2021. JTBC will air highlights from ep.1-8 during Inspector Koo's time slot on November 27-28,2021.

Cast



Lee Young-Ae	Kim Hye-Jun	Kim Hae-Sook
Koo Kyung-Yi	K (Song Yi-Kyung)	Yong Sook

NT Life Insurance



Kwak Sun-Young	Cho Hyun-Chu	Bae Hae-Sun	Kim O-Bok	Bae Myung-Jin
Na Je-Hui	Oh Gyeong-Su	Jung Jeong-Yeon	Kim Won-Sik	Inspection Team A member



Yoo Pil-Ran	Yoon Boo-Jin	Jeong Seo-Yeon	No Hee-Joong
manager	Jung Jeong-Yeon's co-worker (ep.4)	Jung Jeong-Yeon's co-worker (ep.4)	security guard (ep.4)

Koo Kyung-Yi's Group



Baek Sung-Chul	Choi Young-Joon	Kang Da-Hyun
Santa	Jang Seong-U	Melonmusk35

K's Group



Lee Hong-Nae	Choi Hee-Jin	Cha Ye-Jun	Kim A-Ra	Lee Chang-Mok
An Gun-Uk	Psychiatrist Son Ji-Yoo	play director (ep.2,4)	Gretel (ep.2)	play actor (ep.2,4)

K's Childhood Days



Jeong Seo-A	Park Ye-Ni	Ko Jin-Myung
Song Yi-Kyung (child) (ep.5)	Song Yi-Kyung's mother (ep.5)	Song Yi-Kyung's neighbor (ep.5)

Yong Sook's Group



Jung Suk-Yong	Choi Dae-Chul	Park Ji-Bin
Department Head Kim	Heo Seong-Tae	Heo Hyeon-Tae



Choi Young-In	Won Geun-Hee	Lee Chae-Hyun	Park Byung-Wook	Jang Jae-Kwon
mountainside restaurant worker	monk (ep.5,10)	hospital boy (ep.7)	bomb parcel supplier (ep.7)	Heo Seong-Tae's campaign staff (ep.8)



Kim Ki-Cheon	Kim Seo-Jung	Han Ki-Jang	Nam Dong-Ha	Kim Ju-An
caretaker (ep.9,10)	Heo Hyeon-Tae's lover (ep.9,11)	temple guard (ep.11)	sound engineering expert (ep.11)	Ms. Won (ep.11)

Yeon Je-Hun

press conference staff (ep.11)

MEK Security



Park Kang-Sub	Song Hoon
Lee Dae-Ho	Mr. Park (ep.3,9)

Na Je-Hui's Family



Jeong Jong-Jun	Choi So-Yool
Na Jong-Jun	Na Na

Bongbaek Girls' High School Case



Lee Han-Joo	Park Ju-Won	Choi Da-Eum	Kang Hak-Soo	Jun Joon-Woo
Kim Yeong-Ju	drama club member	drama club member	janitor	police officer (ep.6)

Jo Dong-Woo

police officer (ep.6)

Kim Min-Gyu Case



Kim Gang-Hyun	Park Ye-Young	Ahn Tae-Rin	Jeon Suk-Chan	Lee Dong-Wook
Kim Min-Gyu	Yoon Jae-Young	Kim Seon-Mi	detective (ep.1-2)	man fishing (ep.1-2)



Lee So-Geum	Ahn Ryeo-Jin	Joo Boo-Jin	Jo Sung-Joon
food deliveryman (ep.1)	escort (ep.1-2)	subway passenger (ep.4)	Lee Jun-Hyeon

Park Gyu-Il Case



Shin Yun-Seob	Choi Ha-Yoon	Kim Hong-Kyo	Seo Jung-Bin	Lee Joong-Ok
Park Gyu-Il (ep.3)	Yoon Mi-Ae	red sneakers guy (ep.3)	gas station customer (ep.3)	medical examiner (ep.3)



Ku Dong-Hoon	Ha Seung-Youn
medical examiner (ep.3)	Sunshine Dormitory staff (ep.3)

Ko Dam Case



Kim Soo-Ro	Park Sun-Young	Kam Rye-In	Ki Hwan	Kang Gu-Ha
Ko Dam	KD Peace Lab employee (ep.6)	KD Peace Lab employee (ep.6)	KD Peace Lab employee (ep.6)	KD Peace Lab employee (ep.6)



Choi Nop-Eun-Saem	Ahn Shin-Woo	Dang Hyun-Seok
Samsy	security team captain (ep.7)	security guard (ep.7)

K's Targets



Jo Jae-Ryong	Seo Dong-Won	Lee Yoon-Sang	Bae Hyun-Kyung	Oh Se-Il
Park Du-Mok (ep.9)	Reporter Kwak	Minister Kim (ep.11-12)	Prosecutor Kim Hwan-Hui (ep.11-12)	blackmailed person (ep.11-12)



Yong-Jin	Han Yeo-Wool	Kim Sung-Gon	Park Jin-Sung	Kang Ro-Chae
briquette murderer (ep.11-12)	baby murderer (ep.11-12)	blackmailed person (ep.11-12)	blackmailed person (ep.11-12)	blackmailed person (ep.11-12)

NT Life Insurance's Clients



Park Yong	Lim Jin-Woong
back pain client (ep.2)	Jin-Mo (ep.2)

Others



Lee Jin-Seung	Jang Jae-Ha	Lim Soo-Jung	Park Jeong-Min	Lee Eui-Ryung
JBS reporter (ep.1)	Hansel (ep.2)	Gretel (ep.2)	apartment security guard (ep.2,9)	deliveryman (ep.3)



Do Mi-Yeon	Min Eung-Sik	Cho Si-Yeon	Park No-Shik	Han Seung-Yun
used camera buyer (ep.3)	doll expert (ep.4)	Su-Yeon (ep.4)	bird guy (ep.4)	police officer (ep.4)



Jang Sang-Kyun	Kim Kwang-Suk	Kim Bong-Soo	Chu Jung-Hoon	Sung Hyun-Mi
police officer (ep.4)	detective (ep.4)	senior citizen playing go (ep.4-5)	ATV rental employee (ep.5)	cleaning lady (ep.5)



Choi Sol-Hee	Jeong Yoon-Hee	Min Jae	Jeong Mi-Kyung	Park Moo-Yum
mean drunk diner (ep.8)	Na Je-Hui's colleague (ep.8)	hotel employee (ep.8)	restaurant owner (ep.8)	photographer (ep.9)



Lee Jae-Eun	Park Joo-Ha	Kang Chung-Hun	Yoo Young-Bok	Son Dong-Soo
An Gun-Uk's neighbor (ep.9-10)	railway platform girl (ep.10)	JBS anchorman (ep.11)	Na Jong-Jun's friend (ep.11)	news program panelist (ep.11)



Oh Hyun-Suk	Jeon Yeo-Jin	Eom Ji-Man	Kim Joon-Hee	Yoo Soo-Yang
reporter (ep.11)	prosecutor (ep.12)	prosecutors' office staff (ep.12)	detective (ep.12)	police officer (ep.12)

Additional Cast Members:

Kang Seo-Kyung - Han-Gyeol
Kim Ha-Eon - boy (ep.2)
Lee Jeong-Chan - (ep.3)

Trailers

Episode Ratings

Date	Episode	AGB
Date	Episode	Nationwide	Seoul
2021-10-30	1	2.640%	2.666%
2021-10-31	2	2.642%	3.027%
2021-11-06	3	2.305%	2.241%
2021-11-07	4	2.747%	3.464%
2021-11-13	5	1.809%	-
2021-11-14	6	2.548%	3.036%
2021-11-20	7	1.800%	2.510%
2021-11-21	8	2.185%	2.717%
2021-12-04	9	1.699%	-
2021-12-05	10	1.808%	-
2021-12-11	11	1.515%	-
2021-12-12	12	2.312%	2.864%

Source: AGB Nielson

Awards

2022 (58th) BaekSang Arts Awards - May 6, 2022
- Best New Actress (Kim Hye-Jun)

Comments

Nik Sep 26 2025 5:16 pm Right after watching the final ep:

I don't see any informations here if this is based on a webtoon. It feels like it as everything is hyped and a little weird, but in a good and entertaining way. You should not think too much about things you see.

The camera work is great, the highlight is at the end where they reveal Koo's master plan and rotate around her and the same scenes that could be seen before are now "different". That's great work :)

The actors are fantastic and to be honest, I'd like to watch a 2nd season. The recurring theme song also fits perfectly and has a great sound.

Not a spoiler since it's not very important to the plot: It would have been nice to know more about K and the weird things she seems to see. This was shown at first but later on it somehow disappeared. I was thinking for at least half of the drama that it has to do with something supernatural.

YSH Sep 15 2025 11:55 pm Just started watching this drama. Lee Young Ae is a good actress, but her acting in this drama was really bad. I understand she's supposed to be a reclusive eccentric character; however, at times it was so fake and cringeworthy. It's a great drama, but her acting just ruined the whole thing.

MarcEdward Aug 21 2025 7:12 pm This KD is a must see. If anybody wanted to see well written "strong female characters" this is the show. Great cast, great story, great direction, even great OST. If you like predictable stories with 7 episodes waiting for "when will they kiss", followed by one fun episode that ends in tragedy, said couple breaking up, then going to Jeju Island in episode 13 and making up by episode 15, this show is not for you. If you like new, different, well done, unpredictable to the point where your brain grows new neural pathways and you literally become smarter, this show is for you.

Elsa Jan 30 2025 9:11 pm In 4th episode, Santa being the most stupid person because he can't grab K at 1st attempt.

Su Dec 01 2024 6:57 pm Great series. The four ladies were wonderful. Loved the fight scene at the begining of episode 6. I chuckled and winced simultaneously.

Drellerd Feb 27 2024 7:11 pm Enjoyed Inspector Koo very much. The cat and mouse storyline was quite ingenious. Inspector Koo character is a self-immersed slob, totally brilliant and endearing all at the same time. K character is an insane ruthless genius with an innocent face. Very well executed and acted. Loved it, loved it, loved it, even though I was reading the subtitles. Wish I could speak Korean. Highly recommend.

Onep Feb 14 2024 2:32 pm Started this because of Lee Young Ae. She doesnt disappoint. She plays a cynical and eccentric detective. I could tell she devoted a lot to this role.

I was immersed by K character. A girl with so much strength, intelligence, yet so insane. I think its what makes this cat-and-mouse engaging. Both characters have big personalities.

I liked the soundtrack too.

Bleeh Nov 03 2023 8:37 pm I dont like.both kyung yi and yi kyung, idk but im not enjoying it, especially with K annoying character for eg when laughing or acting, while kyung yi is sometimes stupid, the scene also, sometimes its morning then suddenly its night, its not coherent. At first i thought the drama is more to finding insurance fraud, but no...meh,

Park Min Sep 25 2023 11:18 am I really appreciate its style but the plot was sacrificing way too much in favor of its supposed black comedy. Sure the drama had its high moments where the comedy really shined but the endless 12 episodes chase was exhausting and poorly executed. At least there's more to like about it, the drama had a good selection of soundtracks that amplified its stylistic moments. I wish this drama was a movie, it would have been a lot more fitting for what it had to offer. Anyway, the drama seems to be an accurate representation of Lee Young Ae's long hiatuses.

Yesenia Sep 01 2023 10:17 pm I absolutely loved it. I loved the fact that inspector koo is different. Santa doesn't say much but his expressions are great.

Nullifi3d Feb 03 2023 8:00 pm Anti climactic ending, too many double crosses, and confusing plot lines.

June Oct 15 2022 8:03 am come here again just to read someone theory or found out what the hell is Santa identify?!!! Who is this cutie pie actually are?! Naneun neomu shiro?

Jasjit Sep 22 2022 2:24 pm Its just okay. Lee young ae good actress - A bit too much over acted . I had to skip a lot . Tried to copy Sherlock Holmes - but not near it.

Darcy Sep 22 2022 10:27 am I was for K the whole time. finish them all, girl.

I didn't like Koo. very condescending

Good Drama !!

castlin007 May 04 2022 6:30 am okay.. for someone who is new in kdrama world.. or watched few series.. this is okay.. but for me.. not worth it. Ugly.. the scenes that they already hold the villain and yet the villain walk free easily.

Waste of time for 12 episode. 2 episode will do.

Bad..

Kdramastan Mar 25 2022 1:56 pm This show is a must watch, the comic relief, plot, camaraderie between characters , everything makes for a good drama .

Kez Mar 21 2022 12:24 am I just finished this and its honestly one of the best kdramas I've seen. It defo underrated for sure and the LGBTQ+ representation is tangible. I also love how dudes were so smitten over Santa smile. No one can withstand his smile lol it was so cute. It was just an insanely smart writen show. It's a little confusing at first but easier to follow after an ep or 2.its also seemed like they planned for alot more then they were able to address so hopefully there is a season 2!

chesstitans Mar 15 2022 3:38 pm I hardly can fathom why such drama genre of detective is not popular ( the rating says the show does not capture the public interest ) even though this show is broadcasted on Saturday and Sunday nights.

Jayne kicks Feb 17 2022 6:23 pm Ff through most of it. I understand why K. Acted like that but it was boring to watch because she was the same the whole drama.

Scene Stealers were Mr Kim and Santa.

Steffanie Jan 10 2022 5:20 am Wow! Nailed it! Good job! Hope there is a season 2. Can't get enough of Inspector Koo, Santa, K, chairman Yong Sook, and everyone, really.

It's another one of those dramas where the writer managed to make every single character (except for the chairman's youngest, HyeonTae) so charming and lovable in their own ways. I LOVED everyone! All from the minor characters, to the villains, and the 4 friends, most especially inspector Koo, and Santa.

I am glad this does not have a love story that distracts from the plot. The cast was perfect! Every single one of them nailed their roles perfectly. The OST and the animation was so cool. Season 2 please!

Joe Trainer Jan 03 2022 1:05 am Best thing I've seen since Vincenzo.

bribbit Dec 29 2021 3:48 pm The only reason I want season two is to know who the hell is santa???? He just came out of nowhere, and being a cinnamon roll all around the place. Who is he? I'm curious about his back story... or maybe he really didn't have one? c'mon the writer should think of it

Yumi Dec 29 2021 4:37 am I just finished watching and surprisingly I actually enjoyed it. The first 4 episodes may be boring but after that, I couldn't stop watching. I don't know why it got such low rating bcoz I think it deserves a bit more attention.

Some parts may seem cliche and corny, especially when they started to play that song. LYA acting really reminds me of Jun Ji Hyun though - even the way she speaks.

There are parts where I feel that the director was trying so hard to make them look so cool or so.

I just dislike that the main lead is so sloppy... looking messy is another thing but having flies around her and being extremely smelly is another thing, so I feel so uncomfortable whenever she speaks closely to the other characters. And I hope they made a clear indication of what really happened with Santa and detective's husband.

Overall this is one of those dramas that I might rewatch again.

aymgod Dec 27 2021 2:03 pm isn’t this series an adaptation of a webtoon?? srsly? i was so convinced while watching it's style is really like in webtoons and I Love That. This story is my dream story i wished to come true. a bad guy (who is just chillin n FUNNY and not being depressive with their backstory or sumthing) whos killing people who did wrong taking revenge from asholes???I'm now on ep.6 it'ss so goood

YUMI Dec 27 2021 1:39 pm LYA acting in here for some reason reminds me a lot of Jun Ji Hyun, even the way she speaks.

0103 Dec 26 2021 6:37 am waste of time, plot is very disappointing. even the characters- I cannot explain, but not really convincing. I can't even rate this kdrama.

Ann Dec 25 2021 10:35 am Also some of the scenes arent well conected. Sometimes They are looking for someone at night and suddently becomes morning or They are wearing different clothes. They go scene by scene without explaining when was it. It may be confusing.

Theres a moment They were catching killers at 5 p.m but it was full dark... like??????????? Or it was 8 a.m but it looked like 5 p.m outside. I also noticed something like that in ep 5 when They were looking for K at the airport. Santa was wearing a costume. After a while Koo says She knows where K is and They start driving towards her (both were in Seoul, apparently not so far from each other).

But They only met her in the morning and They were wearing different clothes... like???? So She knew where K was but went back home to shower/change clothes and then went looking for her????

Ann Dec 25 2021 9:06 am Its a refreshing drama but some parts of it make me cringe. Also their background stories are kinda meeeeh. K is very charismatic... much more than Koo. She was fun to watch but not convincing as a killer.

Koo is annoying. I sometimes got angry at her actions bc She sounds so out of space. I would hate to be around someone as problematic as her. Koo isnt atractive as a main character either.

My favorites were Na Je-Hui and Oh Gyeong-Su. Their dynamic was really cute and fun to watch. It was worth it to watch and it made me stay until the end.

Anyway, its a 6.5/10. I wouldnt watch again but If you dont have anything else to do I guess You can give it a try.

Rei Dec 23 2021 1:49 pm Idk if it's likely but I would love a season 2 more on K. Kim Hye Jun did such a good job portraying her, a full on girl crush and an amazing antagonist. Both Koo and K seemed like the protagonist and antagonist at times so I was pretty sad about K's ending and Gun uk's ending.

Overall, this was by far the most refreshing crime series mainly because of the fact that we have a 'vigilante' that they're trying to track down instead of your usual morally bad serial killer, and the way the director and behind the scenes team filmed/edited this. Well done to all of them.

Cleo31 Dec 20 2021 7:05 am Dont understand why this drama is underrated..the ending is left hanging.. Season 2 plz!

Rachell Dec 19 2021 6:46 am Wow, really incredible and interesting. My adore actor jang geum in jewel in the palace. Really enjoying this show. So funny when the beautiful actor become messy ahjumma ?. I want more drama from. Lee young ae like this. She very good actor. Too beautiful to be a messy character but she did it well ?? . Really enjoy it.

Rachell Dec 19 2021 6:45 am Wow, really incredible and interesting. My adore actor jang geum in jewel in the palace. Really enjoying this show. So funny when the beautiful actor become messy ahjumma ??. I want more drama from. Lee young ae like this. She very good actor. Too beautiful to be a messy character but she did it well ???????? . Really enjoy it ?

Abc Dec 17 2021 11:24 am (SPOILERS) I love this show but I am sad about K’s ending, she is crazy all right but i liked her. It’s the most likeable bad guy. I really like that they didn’t make the bad guy the pure evil like in many other kdrama ( it’s so often so unnecessary) and also that it was not a corruption story ( really! ). I love that it was about two women and they didn’t make them appear like “what a woman should look like”. So refreshing. But still sad about K s ending, I don’t think they had to make her so insane at the end, they could have use her to solve some cases she is so smart.

Thomas M Yang Dec 16 2021 8:21 am i wanted to know what game she was playing on her computer :D it looked interesting :D

E.A.D Dec 16 2021 4:39 am The detective totally mess and stupid. Bored to watch

Faa Dec 14 2021 12:50 pm Hope for s2. Really aamzing series. Some scene may be a bit comical but it makes this show more fun haha. Such a nice cinematography, interesting characters, great ost and plot. I'll give 9/10 for overall. Seriously I need s2 for this seriess pleaseeee

Bender Dec 14 2021 7:13 am Great show and incredible music. Give the show 9 out of 10 and the music 11 out of 10 ???

Gabbriella Dec 14 2021 4:46 am I started to watch today then she looks familiar ,when I saw her wearing Police uniform then I realized she is Lee young ae from Dear hang geum and Saimdang. Wow she looks different.

JJ Dec 13 2021 5:35 pm Love that the 2 main characters are female, different age but very similar in IQ and character, ie slightly on the spectrum. Inspec K reminds me of cartoon Inspector Gogo Gadget with her mac, her nine lives, her caring nature to friend and gamers, her distracted professor style. She very endearing. No wonder Santa + Seongu want to stay with her. Feel sorry for her that she lost her husband, couldn't clear his name. K on the other hand has got no moral conscience: it's OK to kill baddies and does that in an ingenious way. She's not kind or nice to her buddy, lies to her auntie which cost her auntie's life! I did feel sorry for her when Ms Song locked her up but otherwise no. Both acted brilliantly! Well done actors, writers, music, etc

Chiiee Dec 13 2021 4:48 am Wish they'd at least let us in a little on what Santa's deal was, sigh

Pink blossom Dec 13 2021 1:07 am One of the best drama of 2021. First few episodes were slow and draggy but it gets better. The casts are superb, especially lee young ae and kim hye jun. I’m a rationalist and hate all forms of crime committed by villains for whatever the reason. But K character as psychopath here is well written and well portrayed even someone like me can’t help but fall for her. And that’s how psychopaths in real life act, make them fall for you.

cookie Dec 12 2021 10:12 pm Really enjoyed this drama! It was unlike any other kdrama I’ve watched before and I loved the soundtrack! Loved Santa’s character the most.

Apple Dec 12 2021 12:43 am Inspector Koo is quirky, and I really enjoy it. Some Kdramas with Netflix have awful sound tracks, but this background music, the plot, the cast of characters keeps my interest. In the first episodes, they showed a dark spirit take over K, which is a common With those films about possession. With only 12 episodes, Inspector Koo is finding some balance in her character. I love Santa ! His name means “Saint” in Spanish, so maybe he’ll be a good spirit. That actor was also in a bite size drama on Rakuten Viki, Now we are Thirty ( or something like this). Looking forward to the finale.

Soenji Dec 11 2021 10:48 pm The timeline in this drama is a total mess. As far as I know it's not a fantasy drama but somehow the characters seemed to teleport from one place to another, scene after scene. I don't know with you all, but just didn't make sense.

Inspector Monkey Dec 11 2021 2:59 pm Dunno about you guys but K is the hero in this series and Inspector Koo is the villain

Lee Dec 11 2021 7:04 am Just finished ep.1, but IMHO, not that appealing for me to 'chase' this kdrama. Although the plot & characters somewhat differs from the usual cookie-cutter storylines which are fast becoming stale & a great yawn, the female lead, Lee Young Ae, seems kinda uncomfortable in this role. I'm just not feeling her character here, unlike her previous role as 'Saimdang'. In this drama, she's neither comical nor convincing as Inspector Koo. I'm watching this as there are some actions going on & at the same time, no other more appealing kdramas; certainly not the slow-moving & boring 'Now we are breaking up'. Even Song Hye Kyo can't bring much life to the movie?? Recently, the scriptwriters in Kdrama land seem to be churning out more boring run-of-the-mill stuff or having writer's block.

Killing me Dec 10 2021 10:46 pm Masterpiece. JTBC is producing top quality thriller shows, the soundtrack is perfect too

violet Dec 09 2021 11:57 pm hands down Best Drama Of 2021 you guys cannot convince me otherwise... this is such a breath of fresh air over boring plots and mediocre directing in kdramaland lately..

Jeanna Dec 08 2021 5:31 am I can't believe how well Lee Young-Ae & Kim Hye-Jun's acting is. They nailed it! I knew LYA would be great, but really surprised at KYJ. She's going to go far in this business. Fighting.. oh and great show!!

F Dec 08 2021 2:04 am The first 3 episodes are very slow & draggy with too many unnecessary scenes. But it get better from episode 4 onwards.

So far it's quite enjoyable & funny how they solved the mystery but K's voice irritates me sometimes esp when she screams or laughs. And it kinda annoying to me every time male with male romantic scenes appear

EDWARD Dec 06 2021 10:34 pm Many Korean dramas are good but many follow the same boilerplates with regard to character and plots. This drama made its own with women leading the investigation and women being the major sociopaths. Waiting for the new episodes I am already watching the old episodes over again. A unique story with unique characters.

Pimil Dec 06 2021 3:18 pm Santa probably is transsexual and maybe his voice still changes because of that so he doesn't speak to conceal that.

Sherry Dec 05 2021 10:09 pm Does anyone have a theory why is Santa pretending can't speak? and what happened in a week when K was missing?

I really love this drama because it reminds me of Misa Amane in Death Note, such a cute psychopath.

gina Dec 05 2021 6:48 pm I really had high hopes for this drama, I still can't forget how much I loved Lee in Daejang geum but her acting has been not so admirable past several years, in this one she over acts like an amateur would, very disappointing. The story line is good & entertainin but Lee is not a good pick.

Rosalie Dec 05 2021 5:12 pm Superb entertainment !

M I K E Y Dec 02 2021 4:05 pm 12 episodes for this good drama is so sad

It's a L.O.V.E. story Nov 29 2021 5:59 am Any idea why episodes 9 and 10 were not released this week?

We Can't Please Everybody Nov 26 2021 12:12 am Talking about Lee Young Ae's versatility. She shows us that she is good not just in drama but also good in comedy. Keep it up, Jang Geum errrrr Young Ae!

K Nov 25 2021 12:04 pm Omg, K is really pyscho, her pyscho smile lol

MIKEY-SAMA Nov 23 2021 12:27 am It's just me? Or K is so sexy haha i like her so much, i close my eyes for each of her kill haha Her smile and crazy moments its so good. I need moree

ANISAH Nov 22 2021 5:33 am simple question, who is santa? why he collect kyung yi picture? and what about doll

RamenLover Nov 22 2021 3:59 am This drama series is a highlight for me... can't wait to watch each episode every week. From the great soundtrack to the black humor to the twisted plot, favorite drama series by far that's currently on air.

santa Nov 21 2021 5:03 am simple question, who is santa? why he collect kyung yi picture? and what about doll

Alan HOARE Nov 21 2021 2:11 am Episode 7 .. Ko refers to the British Army in Joan of Arc.. that was not established till 1660 it was the English Army

Dr Sunshine Nov 20 2021 8:11 am This is daebak. Lee young ae is just awesome & the plot is intriguing. All the actors are just great. The plot is full of mystery at every turn & twist interlaced with some humour in every one of the episodes. I love it & am enjoying it so much. Made my day…..??

clau Nov 20 2021 8:09 am i love the whole plot and story!!! and of course all the women in this drama, also kim hyejun really good at portraying serial killer character <3

Mystery Nov 19 2021 10:36 am It's really interesting from epi 4 .. So who think it is boring you have yo complete it

jd Nov 19 2021 1:04 am Intriguing plot, suspenseful atmosphere, so far I like it

Hanz Nov 17 2021 8:43 pm Everyone has their own taste, rating is just a number. Simply, i enjoy this show and still curios about "what will happen next"

Hikaru Nov 17 2021 2:54 pm Sad that I'm seeing a lot of negative comment about this show but lousiest? Really. Anyway, to each his own. I, myself is quite enjoying this show. I am a crime/ psychological thriller fan, so I'm a bit biased on the genre and I don't mind them adding a little comedy on the side because it makes it lighter than what it usually is. Plus, a big factor is, it's a different Lee Young Ae ( which is really refreshing to look at). She mostly look posh, elegant, refined, reserved and modest on her other shows but on this one, she looks carefree physically, though the personality not so. She's also annoyingly smart, kinda rude in a way because of what she had been through... So, yeah, looking forward to how the story will end. Currently on Ep 5.

Hadi Nov 17 2021 6:44 am First episode was amazing, the rest boring. They added some sound on the background when they have a conversation, I think it’s unnecessary! I am disappointed until now, let’s see if I am going to enjoy it or not.

Aaaa Nov 17 2021 12:11 am There is a lot of negative comments down there, what it surprised me because I Love this drama. But here is the thing: every time I really like a drama there are very negative and very positive reviews, you hate it or you love it.( And drama with only positive reviews are usually not so good, kind of okay but not really worth it.) So don’t let bad reviews stop you from watching this. Also it’s nice to see a thriller with women as main characters, very refreshing.

zscaler Nov 16 2021 12:20 pm What a boring drama. Ridiculous, not worthy to watch. What a waste.

Rut119 Nov 16 2021 9:24 am Don't let the rating tricks you. This is chill funny investigate tv series which blend so well with indie pop music. The directer does really has a good taste, he collaps between old style comedy with the investigation. Just chill and watch it, you will experienced the new atmosphere

GREAT ACTING BY Lee Young ae Nov 16 2021 7:23 am Must really give a show sometime to warm up. Not many likeable characters but once you give it time, you will enjoy Inspector Koo n the villianess K.

It's a psychotic ride but nevertheless interesting.

Not your standard fare.

Rot Nov 14 2021 8:38 pm I stopped watching before ep 6 is midway. It's the lousiest/absurdest action/drama i'd watched eversince. The director/writer should resigned. Its unfair to Young-ae, Hae sook and Sun-young to be casted in this film. Netflix should drop this one. Red Sleeve & Dali are far better for Netflix than this.

K nuna Nov 14 2021 8:28 pm Glad to see viewership ratings is higher. Keep it up! Inspector Lol - Lee young Ee

Seoj Nov 14 2021 8:03 pm It was like a cartoon show much like tom & jerry but not in a good way… find the characters here stupid. But still watching for whatever it is worth.

Sameer Starrer Nov 14 2021 3:05 am The girl K is carrying the whole show on her own. Other characters don't really have any impact whatsoever!

Bungeoppang Nov 13 2021 9:36 pm the storyline maybe predictable and clichéd but bcs all the actors are great at deepening the role so that makes the drama really amazing for me personally.. very enjoyable drama!!

Mari Nov 13 2021 1:11 am 2 episodes and so far I love it! I love how the show confused the viewers quite a bit on episode by just using different setting filter. As if it was from the past. Indeed there are some theatrical scenes which makes me want to watch more of it. Kinda feel bad for K's character. So far its a great show to watch!

chunin Nov 11 2021 11:47 pm K's character is hard to watch, but stubby thumbs are so cute.

Confused Nov 09 2021 3:58 pm Episode 1 was really badly paced and editing was all over the place and confusing. The characters were running in one place, then suddenly running somewhere else, and then flash back and then flash forward and then switch character and switch back. Needs a new director. It put me off watching any more.

iCe Nov 09 2021 10:19 am This is another masterpiece project from Lee Young Ae. She's been doing great. The director kinda combining theatrical charms into the series

T3dd Nov 08 2021 10:47 am This is actually very good right from the start. Many good actors in this drama and storyline is interesting. Can't wait to see how the storyline goes.

Rut119 Nov 08 2021 10:22 am The story started a little bit tumbling but if you skip it to ep2 it will get better, more intense. The lead detective have found her rival and story get faster and interesting story telling. This is not bad at all . High IQ psycho teenage girl merderer V.S. old school woman detective, i never seen this kind of plot before.

Snail Nov 06 2021 11:41 pm it's really good, it's just that the first episode confused me a bit. i thought the whole highschool settings were present until i realize the colourisation of the drama were flashback—present.

SPOILER !! episode 2 reminds me of episode 5 in mouse, where they connect murders into children stories. i think inspector koo was going after that plot? seeing k have a wholeass shelf for the story books, i guess she killed tons of people already. also, i wish that santa isn't the bad guy that i think he is.

good job! i really like k's character, hye-jun is an effective actress. as i saw kim hae sook in the cast, im already expecting much with this drama, hope it won't disappoint.

Dae jaan gum Nov 06 2021 11:20 pm Lee young ae is good but drama storyline is boring. They wasted lee young ae here

Rot Nov 06 2021 11:18 pm This drama is fresh genre comparatively and has a good story line. Also Lee Young-Ae comes out from her type-casted self. With Kwak Sun-Young and Kim Hae-Sok in the cast, we are expecting good viewing till the last episode.

Phoebe Nov 06 2021 7:06 am This drama is really good. Lee Young Ae, comes out of her comfort zone and change up her acting style. (Loving it). The villan is great. Most show she comes in she nailed her character. It's going to be a cat and mouse, who is smarter than whom. K is vicious, smart and really evil. Yet she loves her Aunt so dearly. (Psycho). Kyung yi just want to find the truth about her husband. It's so good. Ps. Love Kwak sun young. Love her in Encounter and Hospital Playlist and so much more. Very underrated actress. And of course the veteran Ms. Kim Hae Sook. Say no more. I'm so in.

E Tulane Nov 05 2021 12:54 am Love this drama because I can't stop laughing at the antics of the protagonist. As a bonus it has the actor that I love to watch - Kim Hae Sook. Any show that she stars in is always good.

sue Nov 03 2021 9:57 am I was forcing myself to complete Ep 1 but i couldnt, very painful to watch.

Sorry, gonna give this a miss!

m Nov 02 2021 8:31 pm I couldn't get pass the first episode! This woman is 50 years old living in filth and obsessed with video gaming, just seems very unpleasant to watch.

Wang Nov 02 2021 7:21 pm Apart from all aspects... the editings of this drama is so good... I've seem hundreds of kdramas... But this one has one of the best editings... It somehow reminds me of Sympathy for Lady Vengeance (another Lee Young Ae's movie) and Tarantino's films... It not saying it is as good as those... But the editings somehow gave me a similar vibe

Some critica used to say... You can know if a film will be good one judging by it's opening first shot... And for me, the opening shot is quite good for a kdrama

Jtbc just us an arthouse drama with Lost... And now another good drama with Inspector Koo... But yea... It is only the beginning... Let's see how it goes... If it goes well, this will go down as one of the best

min Nov 02 2021 12:37 am tried watching the first two episodes and i didnt enjoy it as much as i thought... would still stick around for some time out of curiosity but i dont think i will be able to carry on all the way through.

AS Nov 01 2021 9:53 pm gongjin at 28:45

J Oct 31 2021 10:44 pm Guess: The Santa guy is not a good guy

Mystery Oct 31 2021 11:27 am My best actress and the 1st actress make me to enter korean world drama

SERA Oct 30 2021 3:07 pm I'm going to see this play

Teddy Oct 30 2021 2:59 pm I can't wait~ my dearest lady Lee Young-Ae!!!

Usagi babies cast Oct 29 2021 2:41 am Hwaiting Talented Actresses!!! Wonder Women <3 Really Ahhh I cant wait for this drama!!

Jop Oct 18 2021 9:41 pm Uri dae jaan geum. I miss that show jewel of palace the nostalgia it induces.

NGS Oct 09 2021 10:39 am Yeyyy!!! Finally Official Picture And Teaser Really miss Lee Young Ae! Took 4 years for her to comeback in her own kdrama. Welcome back! The drama look soooo interesting, I love how Lee Young Ae could shows various character of her. Luvvvvvvv!

Mdys Apr 08 2021 6:01 am Can't waitt. I hope this drama will not be cancelled ?

Ruth Apr 03 2021 10:23 am patiently waiting for her comeback.

External Links

Official Website

@@ Line 155: / Line 155: @@
 |9charactername=sound engineering expert (ep.11)
 |10picture=File:Inspector Koo-Kim Mi-Ra.jpg
-|10name=Kim Mi-Ra (1979){{!}}Kim Mi-Ra
+|10name=Kim Ju-An (1979){{!}}Kim Ju-An
 |10charactername=Ms. Won (ep.11)
 |11picture=File:Inspector Koo-Yeon Je-Hun.jpg
@@ Line 261: / Line 261: @@
 ===Ko Dam Case===
-{{CastPictures7-5
+{{CastPictures8-5
 |1picture=File:Inspector Koo-Kim Soo Ro.jpg
 |1name=Kim Soo-Ro (1970){{!}}Kim Soo-Ro
@@ Line 283: / Line 283: @@
 |7name=Ahn Shin-Woo
 |7charactername=security team captain (ep.7)
+|8picture=File:Inspector Koo-Dang Hyun-Seok.jpg
+|8name=Dang Hyun-Seok (1989){{!}}Dang Hyun-Seok
+|8charactername=security guard (ep.7)
 }}
@@ Line 330: / Line 333: @@
 ===Others===
-{{CastPictures29
+{{CastPictures30
 |1picture=File:Inspector Koo-Lee Jin-Seung.jpg
 |1name=Lee Jin-Seung (1981){{!}}Lee Jin-Seung
@@ Line 418: / Line 421: @@
 |29name=Kim Joon-Hee (1979){{!}}Kim Joon-Hee
 |29charactername=detective (ep.12)
+|30picture=File:Inspector Koo-Yoo Soo-Yang.jpg
+|30name=Yoo Soo-Yang (1992){{!}}Yoo Soo-Yang
+|30charactername=police officer (ep.12)
 }}
 '''Additional Cast Members:'''

Difference between revisions of "Inspector Koo"

Latest revision as of 19:18, 16 March 2026

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

NT Life Insurance

Koo Kyung-Yi's Group

K's Group

K's Childhood Days

Yong Sook's Group

MEK Security

Na Je-Hui's Family

Bongbaek Girls' High School Case

Kim Min-Gyu Case

Park Gyu-Il Case

Ko Dam Case

K's Targets

NT Life Insurance's Clients

Others

Trailers

Episode Ratings

Awards

Comments

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Comments

External Links