Undercover (Korean Drama)

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Drama: Undercover
Revised romanization: Undercover
Hangul: 언더커버
Director: Song Hyun-Wook
Writer: Baek Cheol-Hyun, Song Ja-Hoon, Jung Hye-Eun
Network: JTBC
Episodes: 16
Release Date: April 23 - June 12, 2021
Runtime: Friday & Saturday 23:00
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

Han Jung-Hyun (Ji Jin-Hee) is an agent of the NIS (National Intelligence Service). While he studied at the police university, he was selected by the NIS. He then worked on a top secret case and he met Choi Yeon-Soo (Kim Hyun-Joo). Using his alias, he fell in love with her and they eventually married. Meanwhile, Choi Yeon-Soo works as a civil-rights lawyer who seeks justice and the truth. She is nominated for the Chief of the Civil Servant Corruption Investigation Unit. Because of her nomination, her husband's true identity becomes involved in an uncontrollable situation.

Notes

"Undercover" takes over the JTBC's Friday & Saturday 23:00 time slot previously occupied by "Beyond Evil" and followed by "Nevertheless" on June 19, 2021.
Drama series is a remake of the UK television series "Undercover" that aired on BBC One from April 3 to May 15, 2016.
Ji Jin-Hee & Kim Hyun-Joo previously starred together in 2015 SBS drama series "Identical Affairs."

Cast

Han Jung-Hyun & Choi Yeon-Soo's Family



Ji Jin-Hee	Kim Hyun-Joo
Han Jung-Hyun / Lee Suk-Kyu	Choi Yeon-Soo



Yoo Seon-Ho	Lee Jae-In	Park Geun-Hyung
Han Seung-Goo	Han Seung-Mi	Lee Man-Ho

National Intelligence Service



Heo Jun-Ho	Jeong Man-Sik	Kwon Hae-Hyo	Joo Suk-Tae	Han Go-Eun
Im Hyung-Rak	Do Young-Gul	Oh Pil-Jae	Park Won-Jong	Go Yoon-Joo



Nam Sung-Jin	Ahn Se-Ho	Seo Joon
Cha Min-Ho	Kim Kwang-Chul	Park Hyun-Pil

Corruption Investigation Office for High-Ranking Officials



Choi Dae-Chul	Lee Han-Wi	Bae Yoon-Kyoung	Kang Young-Seok
Chu Dong-Woo	Bae Goo-Taek	Song Mi-Sun	Jeong Cheol-Hun



Kim Jin-Goo	Do Mi-Yeon	Han Seung-Yup	Lee Eun-Ju	Park Woo-Jae
Kim Dong-Young (ep.6)	Ko Yu-Ri (ep.6)	Han Sang-Jin (ep.6)	Hwang Hyun-Ju (ep.6)	security guard (ep.7)

Government Group



Lee Seung-Joon	Son Jong-Hak	Jung In-Gi
Kang Choong-Mo	Assemblyman Yoo Sang-Dong	Secretary General Kim Myung-Jae



Kim Kyung-Min	Lee Dong-Soo	Kang Suk-Won	Jung Doo-Kyum	Park Jung-Eon
Mr. Park	interviewer	Kang Choong-Mo's secretary	Lee Kang-Ho (ep.5-6)	Lee Young-Sook (ep.5-6)



Seo Young-Sam	Lee Ja-Kyung	Lee Yoon-Sang	Yook Mi-Ra	Park Jae-Wan
Park Young-Soo (ep.5-6)	Han Yi-Kyung (ep.5-6)	Park Joo-Won (ep.5-6)	assemblywoman (ep.15)	Assemblyman Cho (ep.15)



Lee Jae-Woo	Lee Sung-Il
assemblyman (ep.15)	party official (ep.15)

Prosecutors' Office



Song Young-Kyu	Oh Ki-Hwan	Ki Hwan	Lee Jin-Seung	Kim Sung-Yong
Chief Prosecutor Kwak Moon-Heum	Kon Soon-Chun (ep.8-9)	Ryu Sung-Hyun (ep.8-9)	Park Jun-Suk (ep.8-9)	Jeon Hong-Go (ep.9)

Daehan Jeil Daily



Kim Soo-Jin	Cha Soon-Bae	Kim Jin-Kyu
Min Sang-A	Chief Editor Song Joo-Pil	staff

Choi Yeon-Soo Law Firm's Clients Group



Choi Kwang-Il	Kim Hye-Jin	Kim Jung-Jin	Choi Gyo-Sik	Kim Deok-Ju
Hwang Jung-Ho	Jung-Hee	Kim A-Soon (ep.5-6)	Priest Ha (ep.5-6)	Kim A-Soon's mother (ep.6)

Police



Park Jin-Woo	Shin Jae-Hoon	Jun Joon-Woo	Kwon Tae-Won	Nam Jung-Woo
Detective Goo	Detective Jo	police officer (ep.6)	police officer (ep.9-10)	Sergeant Won Bok-Dong (ep.9)

Min Choong-Suk

police officer (ep.15)

Secretary General Kim Myung-Jae's Family



Kim Nam-Jin	Jeon Hye-Won
Kim Myung-Jae's wife	Kim Myung-Jae's daughter

2005

Moon Ju-Won

Han Seung-Goo (child) (ep.2)

1991



Yeon Woo-Jin	Han Sun-Hwa	Kim Young-Dae	Im Ji-Kyu	Hong Jin-Gi
Han Jung-Hyun / Lee Suk-Kyu (young)	Choi Yeon-Soo (young)	Kim Tae-Yeol	Hwang Jung-Ho (young)	Kang Choong-Mo (young)



Lee Ha-Eum	Min Tae-Hong	Yoon Tae-Soo	Mun Yong-Il	Lee Woo-Shin
student protestor	freshman protestor	student protestor	soldier (ep.1)	judge (ep.1)



Han Yi-Jin	Han Bo-Bae
Park Doo-Sik (young) (ep.8,11)	Min Sang-A (young) (ep.10,16)

1990



Kyungri	Lee Kyu-Bok	Park Joo-Hyung	Kim Nak-Gyoon
Go Yoon-Joo (young)	Cha Min-Ho (young)	drug gang boss (ep.4,11)	police officer (ep.4)

1988



Yeon Woo-Jin	Park Doo-Sik	Jang Eui-Don	Kang Moon-Kyung
Lee Suk-Kyu (young)	Do Young-Gul (young)	police university instructor (ep.1)	agency executive (ep.1)

Others



Kim Dong-Ho	Lim Jung-Ok	Shin Bi	Sung Byoung-Sook
Cheon Woo-Jin	Nurse Kim	Yoo-Bin	Kim Tae-Yeol's mother



Kim Kye-Hyung	Park Hye-Jin	Shin Dong-Hoon	Kim Byung-Soon	Kong Joon-Min
car passenger (ep.1)	news program host (ep.1)	nursing home office worker (ep.2)	Assemblyman Yang Ho-Won (ep.2)	Attorney Park (ep.2,15)



Yoo Byung-Sun	Hong Ye-Ji	Shim Hyung-Tak	Kim Young-Woong	Kim Su-Yeon
scrapyard crane operator (ep.2)	reporter (ep.3-4)	Lee Min-Yool (ep.3-4)	subway control room staff (ep.3,5)	nurse (ep.4)



Lee Se-Na	Nam Hee-Soo	Kim Jong-Ho	Kim In_Suk	Yeon Je-Wook
Kim Da-Kyung (ep.4)	ID office clerk (ep.4)	attorney (ep.5)	real estate agent (ep.7)	loan shark (ep.7)



Jin Si-Won	Jung Myung-Joon	Kim Dong-Gon	Kim Sa-Hoon	Lee Moo-Nyoung
reporter (ep.8)	news program panelist (ep.8)	news program panelist (ep.8)	TV reporter (ep.8)	CIO protester (ep.8)



Lim Hyung-Guk	Han Jae-Young	Yoo Mi-Sun	Lee Yeon-Joo	Kim Joo-A
Park Doo-Sik (ep.8)	Yeoyeong Inn owner (ep.8-9)	saleswoman (ep.10)	Son Joo-Ri (ep.10)	orphanage employee (ep.11)



Park Sang-Yong	Jang Myoung-Un	Lim Yong-Soon	Jung Seung-Wook	Ma Jung-Pil
Park Won-Jong's attorney (ep.12)	Im Hyung-Rak's security team (ep.14)	judge (ep.15)	reporter (ep.15)	Attorney Park (ep.16)

Dong Bang-Woo

judge (ep.16)

Additional Cast Members:

Jeon Se-Yong - public hearing host
Choi Hong-Lag - (ep.1)
Kim Sang-Wook - NIS hearing attendee Park Joo-Won (ep.2)
Lee Kyung-Oh - NIS hearing attendee Han Joon-Ho (ep.2)
Kim Do-Won - Im Hyung-Rak's grandson (ep.7)

Trailers

Episode Ratings

Date	Episode	AGB
Date	Episode	Nationwide	Seoul
2021-04-23	1	3.471%	4.139%
2021-04-24	2	3.785%	4.866%
2021-04-30	3	2.841%	3.355%
2021-05-01	4	3.367%	4.283%
2021-05-07	5	2.885%	3.466%
2021-05-08	6	4.243%	5.115%
2021-05-14	7	3.041%	3.963%
2021-05-15	8	4.175%	5.555%
2021-05-21	9	3.777%	4.471%
2021-05-22	10	4.187%	4.939%
2021-05-28	11	3.768%	4.503%
2021-05-29	12	3.816%	4.696%
2021-06-04	13	3.922%	4.437%
2021-06-05	14	4.517%	5.279%
2021-06-11	15	3.916%	4.645%
2021-06-12	16	5.229%	6.115%

Source: AGB Nielson

Comments

Celine Calado Mar 10 2023 7:14 am Superb acting by Ji Jin Hee as usual. It's a pity that the drama did not get much attention. I've been thinking that the leading lady of Jin Hee should have been Lee Young Ae or Yum Jung Ah. He has fantastic chemistry with them. Many scenes without Jin Hee bored me. His partner in this drama is lousy.

Nancy Sep 19 2022 12:42 pm I hope there’s season 2 i love everything about this series from the main characters to the storyline. Season 2 please ❤️ give us moreeeeeeeee ??????????

Emmy Jul 24 2022 12:32 am Its worth to watch. It just i am quite disturbed with the time frame and the age of the characters. The ending also should have been better.

Baenana Jul 19 2022 11:32 pm han sunhwa and kim hyunjoo really look alike

sgt_doom May 30 2022 9:03 am Ji Jin–Hee is a phenomenal actor; his mastery of the minor nuances is amazing, just like actress Jun Ji–Hyun (Thieves, My Love From the Star, etc.) ---- superlative acting.

Thought Hyun–Joo was perfectly cast as the wife/CIO director --- Everyone was perfect for their roles ---- exemplary casting for a very powerful and relatable drama series!

Take that Russiagate Hoax in America, with the deep involvement of the DoJ, FBI, CIA, NSA, DARPA (DoD, Brookings Institution, etc. This nefarious stuff happens.

Fantastic script, acting performances and pacing!

Kolawole oluwatobi Apr 10 2022 1:54 pm The drama is very interesting good job to Lee sik kyu i love it Perfect but hope season will be interesting as dis season 1 Want to know wat will im will end up with

Molly Dash Dec 02 2021 7:46 pm It's great drama

worth to watch <3

Molly Dash Nov 28 2021 4:59 am Great Drama ! Good scenario

Well done JJH ... as usual

. Sep 28 2021 10:13 am i know very well there's no chance for a season 2 because everything's been wrapped up but i still want to ask for one. God, the whole drama, i was on the edge of my seat. i was just so thrilled!!! someone can offer me the exact same plot and i would still take it. nothing goes wrong with married couple for decades who finds out one of them has been lying about their identity plus action, action, and action!!! and both the young version and old version of the leads' chemistry, just hands down. season 2 can have the people of korea petitioning for yeon soo to come back as the CIO director because the new one's rotten, then she gets into trouble as she fights high officials, and here's suk gyu with his gun and guns (arms) backing her up. heh, i will never get sick of it.

Fizz_ Sep 08 2021 8:45 am Amazing drama!!! Nice storyline...I LOVE IT❤️ Congratulations everybody especially to my most favorite veteran actor, Jin Ji Hee, and veteran actress, Kim Hyun Joo. Honestly, because of both of them, I wanted to watch this drama, and yeah, the great performances from both...Jin Ji Hee as a secret agent was so cool yet fantastic!!! The same goes for the lawyer character by Kim Hyun Joo, very determining!!! Well done Undercover? Well done Jin Ji Hee? Well done Kim Hyun Joo❤ Well done everybody for making this drama a big success?

Looking forward to Jin Ji Hee & Kim Hyun Joo drama in the future? I love you Jin JI Hee & Kim Hyun Joo ????

underrated gems Sep 01 2021 11:31 pm 7/10

Kim Yoon Sung Aug 26 2021 11:19 am The actress who portrayed the wife of the character of Ji Jin Hee is so Boring. Ji Jin Hee was able to pull off their scenes together because he is a good actor! How can someone so lifeless and incompetent in her work and life win cases? The younger actress who portrayed her younger years is way better. No wonder, I don't know any popular drama of her!

Anh Minh Aug 14 2021 7:57 am I watch this drama because of Ji jin hee and Kim hyun joo's reunion from I have a love film. They have such very great chemistry

midnight sunshine Jul 20 2021 9:18 am Kim Hyun Joo was doing great!!! she's one of the best actress I ever see.. she is the one who make me watch this drama..even though it might not be her best act in this drama, but she still doing great.. She never fail to shine... I Love Her ?

lin Jul 11 2021 6:34 pm i love the wife. She was so upright in everything she does. Whereas the husband is a bit retarded in his endeavours. He's a secret agent but does things so sloppy.

unigoblet Jun 27 2021 8:47 am I have a friend that's like the real life Choi Yeon Soo it's like watching a movie about her ?

Via RT Jun 25 2021 7:15 am Fast-paced, edge-of-your-seat drama. Not the typical and overly predictable mainstream drama.

I was expecting a tight plot and exciting scenes all throughout. But there were a few unnecessary dialogues which dragged the story. It would have been better if there were more heart-stopping scenes and action. Overall, the narrative and plot are compelling. And I personally prefer this version over the original.

_________

- Ji Jin-Hee has once again proven his skills and versatility, switching from a doting house husband and father to a keen and ingenious ex-undercover agent.

His portrayal showed the difference of character between the present Han Jung-Hyun and present Lee Suk-Kyu though they are one and the same person.

Though he is dubbed as the "melo-king", action is not something new to him as he has starred in action films before. He even gave insights in fight choreography and helped fellow actors.

I love this drama because of his character, and his action / suspense scenes.

- Kim Hyun-Joo. I enjoyed her other dramas with Ji Jin-Hee "Ms. Kim's Million Dollar Quest" and they were both exceptional in "I Have a Lover".

But I agree with other objective observations that her performance in this drama was lacking.

Choi Yeon-Soo is a fearless, idealistic lawyer and becoming the first chief of Corruption Investigation for high ranking officials -- depicts an exciting and bold character but her acting was flat and lifeless.

It is very evident especially when you juxtapose it with the young Choi Yeon-Soo (Han Sun-Hwa).

- Han Sun-Hwa's portrayal was on-point; she was brazen. full of character.

I don't know what happened with Kim Hyun-Joo. Even when she's delivering power words / script, she looked tired and her performance appeared tired. There were some convincing acting but mostly they were dull. She often looked like she needed some rest after a tedious day of work.

- But the performances of other main cast and supporting cast overshadow those, plus a gripping storyline make this drama on the must-watch list.

Cristem Jun 16 2021 6:34 pm I felt the drama was a little rushed. It could make use of 1 or 2 episodes more to achieve a more explosive ending.

ML Jun 16 2021 7:16 am Because of Kim Hyun Joo I watched this drama series. It has a nice storyline and I enjoy watching all the episodes. Hoping for session 2....

Ken Jun 15 2021 3:42 pm I hope there's season 2 for this series. I love the cast, especially Kim Hyun Joo.

Asniah Jun 14 2021 4:10 pm I don't care about what other people think. Kim Hyun Joo is awesome, A lot of people watch this series because of her.

Badat Jun 14 2021 4:03 pm Kim Hyun Joo is amazing. I love her so much. She's the reason why I watch this series.

Yuri Jun 14 2021 2:52 pm Congrats to everybody! A wonderful kdrama! AA+

Jil Jun 14 2021 11:28 am Power cast! Although to be honest, i was expecting more, i could say that in korean action drama standard, this have surpass all aspect. But yeah i believe the its lacking somehow, i cannot complain. This is good in every aspect. Again, in korean standard drama and action, i could say rate this 9.9 over 10. Congratulations to all cast plus all those who work background. Of all the eps, 15 and 16 are obviously a master piece! Congrats again!

Yu Jun 14 2021 2:16 am I saw the negative comments and I felt that they want to see the drama on their own standard of what a character should be. Each character in the drama embodies a unique personality. The actors were able to portray well and gave justice to the characters.

Kudos to the team!

Terrey Thomas Jun 13 2021 11:11 pm I have nothing against the actress KHJ but the character is written in such a way that all I can think is she is too slow and dense to lead a crime task force, it's just not believable, there's no liveliness or energy there, it's like sometimes I just want to check her for a pulse.

kristy Jun 13 2021 9:22 pm and whats up with the snack guy, the snacking adds nothings to his character, why show it at all? does the writer feels smarter this way?

kristy Jun 13 2021 8:31 pm have to agree, the incompetent lawyer (or is it the actress), annoying as heck. this drama would have been fabulously great otherwise.

GreatWD Jun 12 2021 6:54 pm Outstanding Drama and needs an award for Best Year Drama 2021!

Chu Dong-Woo character is good,,, that is better than his acting in Revolutionary Sister Drama.

Nana Casino Jun 12 2021 12:04 pm I love this drama. The storyline and the actors are awesome, especially Kim Hyun Joo, she is a living proof that you don't need to exaggerate your acting just like the actors in Penthouse to relay your emotion with the viewers. She nailed it.

P.S. I love the series Penthouse. I am just making a point.

Cristy Jun 12 2021 11:58 am @KimYoonSung

Surely you're not a fan! Kim Hyun Joo is a great actress. Maybe you are a fan of another actress that is paired with Ji Jin Hee? That's why you are saying that? No need to bad mouth her. If you are a fan of Ji Jin Hee then just praise him. If you don't have nothing good to say. Then just shut up. We don't need any of your validation.

sf Jun 12 2021 5:12 am This woman can't miss any episode without making a stupid thing.

May Jun 11 2021 7:19 pm Jin is an versatile actor, Ive watched Parallel from 11 years ago and now the Undercover, its amazing he doesn't look older from a decade ago. I Am A Fan!!!

Kim Yoon Sung Jun 11 2021 2:03 am The wife is lousy and incompetent in life and in work. And that actress is so boring. Even when she acts cute, she simply doesn't have the charisma. No wonder, I don't know any of her dramas, except this one and the previous drama with Ji Jin Hee. Ji Jin Hee carried the drama with the help of the reliable supporting stars. That actress should not be a lead star. She's just suited for supporting roles!

Leah Kris Jun 10 2021 6:20 am Great drama, it’s show a lot of love for the family...

janni Jun 07 2021 11:21 am @sphtube

it's ji jin hee and kim hyun joo's 3rd drama together. they don't just look good together but they have a great tandem as well.

sphtube Jun 07 2021 3:07 am @sf

The male character works at the NIS, it's equivalent to CIA in the US, that's why he was able to manufactured a new life under an assumed name. Also, he gave up being a spy right after they got married since originally his mission was to infiltrate Kim Tae-Yeol's circle. Even the guy who recruited him to NIS said that things went downside because of his love to Choi Yeon-Soo.

Second, this is the second drama already of Kim Hyun-Joo and Ji Jin-Hee. The fact that both leads were contracted again to lead a series means that there's a chemistry between the two.

Lastly, to be in a relationship and married to someone for 20 years, let alone made a family with, and just discovering that the man whom your kids call as dad/father, is shocking and traumatizing for anyone. That's a natural human reaction, especially for a wife who described her partner as a loving father and a very devoted husband. And to say that 'she can't make a difference between private life and professional life' is kinda harsh and unfair because one, of what I mentioned above, and two, his husband was part of the case she's handling herself. That's the main reason why she can't put a wedge on her private affairs from her professional life.

sf Jun 07 2021 2:39 am @Zharfan Nasir She is not able to make the difference between private life and professional life. His job was to be a spy. If this name sounds unpleasant to you, name it a secret agent. It seems in Korea, from what I saw in other dramas, if you want to change your name is a piece of cake.

Ruby Jun 07 2021 12:16 am I like the drama because it borders not just about cutie patootie and complicated love angles.

Someone saying here that the actress is not popular in SK...you are very much mistaken. Or maybe you are used to actresses who act cute and all...Kim Hyun Joo is a respected and awarded actress. Ji Jin Hee have great chemistry with Kim Hyun Joo, bringing their characters so believable. In fact as I recall Ji Jin Hee even mentioned in one of his interviews that the actress he'd want to work with again even years after is Ms. Kim Hyun Joo.

loki Jun 06 2021 8:11 pm they make a great match, a compulsive liar and an incompetent wife/lawyer/actress.

Zharfan Nasir Jun 06 2021 6:51 pm @sf, mate, try to put yourself in her shoes, how do you feel? someone you lived with and loved for decades, turns out to be a spy and is lying about their identity from you the whole time. Turns out your husband's name is a fake, your children had fake last name, you think you know everything about your partner, etc. For sure you need time to digest it all. Choi yeon soo is just being a real human being. No human being are okay with all that.

sphkorea Jun 06 2021 5:11 pm I do love the chemistry of the couple, and I think it was intended by the casting crew to have the two main characters different in personality given the kind of role that they are portraying -- the male is a spy and a devoted husband, while the female carries a strong personality being a defender of the oppressor. But their commonality as a loving parents made them a perfect couple for this story. Though I may agree that the female lead may not be as famous as the others outside SK (maybe because of her age), but from my point of view, she's a good actress and she carried her role well. It's sad to know though that we got 2 episodes left next week. Nevertheless, would love to see a season 2 of this drama if JTBC chooses to continue and make their own sequel.

sf Jun 06 2021 12:51 pm The character Choi Yeon-Soo is unbearable. The character Choi Yeon-Soo doesn't fit with the character Han Jung-Hyu at all, and the actress doesn't match with the main male actor. Choi Yeon-Soo is or stubborn or stupid, one of the two or maybe both. Knowing that her husband was an ex-spy, but she is not curious about the information her husband can give to her. Her attitude is incomprehensible. Her movements are so slow that she gives the impression she sleeps in her shoes. As I said in another comment, she is from another drama she doesn't belong here.

Kim Yoon Sung Jun 05 2021 1:36 pm I'm sad that the drama is not rating well. Ji Jin Hee is amazing. I hope he had a different actress playing his wife. I wonder why he is paired again with Kim Hyun Joo. They don't have chemistry. Ji Jin Hee is just good at acting and in charge of their scenes. I wish to see him with exciting stars.

dumphuc Jun 05 2021 1:21 pm lets us all keep our fingers intact, instaed of playing lovey dovey with powertools in an industrial setting. this aint no patrick swaze and demi moore playing with a lump of clay. guess in korea, or more precisely in this kdrama world, common sense not needed to become a reowned human rights attorney.

Kay Jun 05 2021 11:59 am Undercover is a must watch! The second half of this drama especially, it has been amazing so far. Can't believe next week is the final 2 episodes alreaddy :( Especially the twist at the end of episode 14, just WOW really didn't see it coming.

I must say I'm really impressed with the lineup of good actors in this drama, especially Kim Hyun Joo, she pulls off emotional scenes really well. I love how for once its a gender role reversal, with a strong female lead that is the head of the household taking on a big government role as the head of CIO, with a loving husband taking care of the kids (although it is discovered he has a hidden identity), and the family dynamics with teenage kids, one who is autistic, is a nice addition too. Really good portrayal of a realistic family relationship and the turmoil Yeon Soo goes through as she uncovers Jung Hyun's true identity.

Some might think the drama in the middle was slow paced, but I think it was a good buildup like what Ava commented below, about the reality of Yeon Soo realizing her husband has been living using a different person's name all these while... Its not an easy thing to accept overnight, and also she took so long to discover because its natural given they have lead a seemingly perfect life together for 30 plus years, and he has been the perfect stay-at-home husband, cooking and taking care of his kids, why would she have any reason to suspect him? Much less his role as an ex NIS agent?

Also the OSTs for Undercover have been reallyyy good too! For me OSTs matters a lot, good OSTs help bring up certain moods in the drama. My personal favorites are the 2 english OSTs, "Where are You" by Katie and "Under the Lonely Sky" by Safina K. Also the female-male duet song " On a Secluded Road" by Sondia and Kim Jun Hui, really hits right with the feelings.

Mak Kishun May 31 2021 9:53 pm This show gets better and better with each episode. Episode 12 really captured believable, raw emotions from each family member, Yeon-Soo’s slap was well delivered.

Ava May 30 2021 11:05 am As for me, it's not too exaggerated nor unnatural. In reality, that's one of the ways some people would react. I would react just like her, too, if I'm in her shoes.

Besides, don't you know from watching it in previous episodes that she's still doesn't know a lot about him because he's been lying and hiding a lot of things from her until the day she knew a lot about his true self (after 20 years)?

In fact, the longer we do not know about someone who is close to us, the more it hurts us and the more our reactions would be if suddenly we happened to know about his / her true self or life. We'll get angrier & could get a little bit scared of him / her too.

ps: In reality, some people still do not know a lot about their spouse(s) even though they have been living since a long time ago like 20 years or more that it finally led them to get divorced.

Cath May 30 2021 10:42 am This keeps getting better omg. Cant wait to watch the rest of the eps. Everything build up so good and about to blow up in the next few eps. Cant wait!

Please let this be a happy ending. Can some one help han jung hyun? Omg its like he is fighting alone. No body on his side.

Norma May 29 2021 7:59 pm Really love this drama love there tandem

sf May 29 2021 12:32 pm Yeon-Soo's reactions after she saw her husband fighting with that guy, was too exaggerated and unnatural. Woman, you have lived with this guy for twenty years, but you don't show that you know him at all.

Ladyspeedstar May 29 2021 11:27 am Love this show, great acting. Can’t wait to see if the truth comes out and what happens.

Mak Kishun May 27 2021 5:28 pm Love this show! Great acting from all cast members and the plot is dynamic. I cannot wait for the next episode.

sf May 25 2021 9:14 am Poor Han Jung-Hyun has to fight alone with an entire organisation.

Misspinky May 25 2021 7:45 am The story will be interesting if the husband full honestly and open with his job and with who he related each other

Dork May 24 2021 9:06 am Damn can we just talk about how Yeon Woo-Jin looks so fucking hot and how he acts so fucking well

kamote May 23 2021 4:33 pm I'm sooo loving this series! fast-paced story and each episode keeps getting more and more suspenseful and thrilling which makes me excited for the next.

Great acting from the cast, especially Ji Jin-hee. His scenes visiting his father in the nursing home are very heartbreaking, while his action scenes are riveting and exciting. He really is a very talented versatile actor.

The only disappointing thing is that this is not on Netflix, Viki, Viu.

ABC May 17 2021 12:32 am They are so skillful at choosing the younger versions of the cast. It's amazing. When they showed the younger version of Go Yoon-Joo, I had in my mind who the adult version would be, and it's really her.

I am really enjoying the drama, and so grateful someone is doing the hard work of transcribing the hard-coded sub into soft-sub, although some people complain because it does take longer than usual, I really appreciate it.

And finally seeing Ji Jin Hee so fit and doing action scenes is cool. He looked too thin in the last dramas I've seen him in lately.

Jan May 14 2021 11:50 pm I cried a river when the lead actor got a call from the nurse at a nursing home where his father stays to inform him of the old man’s passing on. I’d like to know why he had to leave his father behind and didn’t have even acknowledge him when his father saw him with his wife and kids. Such a very sad and tragic story between a father a son to be separated and then reunited when the father is already suffering dementia

Cath May 14 2021 11:08 pm This drama is really good. The story keeps getting better each eps. Ji jin hee as always acting on point. And the resemblence between the young and present character is so spot on especially the young lee suk gyu, his acting is really good.

I wish this was on nerflix or viu, its kinda hard to find the website to watch this.

BumbleBee May 11 2021 9:11 am I haven't been able to watch any korean drama lately as nothing interests me. And then, I came across this drama. Totally glad I tried it out. Acting is on point, the young actiors resemble the older main actors and the flow of the episodes are great! Anyways, it's my first time watching anything from jtbc and am highly satisfied with this one!! <3

Vic May 10 2021 10:07 pm Good casting, hyun-joo and sun-hwa are good combination of old and young, visual and acting.

BagMyHeartOut May 09 2021 8:23 am Interesting... Ji Jin Hee and Kim Hyun Joo's house in Undercover is the same as their house in I Have a Lover.

Rara May 02 2021 2:36 pm For: run on love???

Answer or reply: Sondia & 김준휘 – 외딴길에서 (On A Secluded Road)

Marj Apr 30 2021 8:58 pm Best drama ever..can't wait too watch the rest of the episodes. Actor and actress have the best chemistry

run on love??? Apr 29 2021 1:27 am can anybody tell me the track played in 2nd episode when they were at the beach

jhun Philippines Apr 28 2021 12:41 am wow i watched the 1st episode and so exciting to watch the succeeding episodes...i hope that in this drama JI JIn hee wii win the best actor in the awarding derby for 2021... and he has a good chemistry with Kim hyun joo, hoping for another family romance comedy.<3

AURORA MACASPAC Apr 26 2021 8:52 am This is the KDrama we have been waiting for with so much excitement. Both adorable Kim Hyun Joo and dashing Ji Jin Hee deserve to garner the Best Actress and Best Actor Award; The Drama itself should be awarded the Best Drama Series for this year 2021. Congratulations, Cheers to the Production Company, the Director and of course the great Stars from the least to the Top!!!

Tesoro Apr 21 2021 11:40 pm Love to watch ♥️ Yeon Woo Jin ♥️

Magix Apr 19 2021 7:47 am Am I the only who think that So ji Sub is also suitable for this kind of drama :D

iamestee Apr 15 2021 7:09 pm After "I have a Lover" here they are (Ji Jin-Hee and Kim Hyun-Joo) again with a new korean drama. Love it and I can't wait to see it... :)

Nangniez Apr 10 2021 8:01 am I am excited for yeon woojin ???

Gia Apr 02 2021 1:53 am The original BBC only has 6 episodes, and in 6 episodes they never fail to show the thrill and excitement. I hope 16 episodes doesn't make this drama too dragging.

.... Mar 25 2021 5:14 am ji jinhee and kim hyunjoo are my favorite veteran actor and actress... hopefully JTBC can regain TWOTM and sky castle glory through this drama

.... Mar 25 2021 5:12 am look at the young visuals there, from yeon woojin, han sunhwa, and kyungri?? and yoo seonho will play autistic son of ji jinhee?? plus I notice han bobae in school 2017 (love to see school 2017 casts getting succesful these days) will be here as well.. and the plot seems heavy and interesting

sign me up JTBC best drama 2021

Dianne Espinosa Mar 25 2021 12:42 am Can't wait ? Great chemistry ?

Lois Mar 22 2021 5:07 am cant wait for this!!!! Kim Hyun Joo and Ji Jin Hee is the perfect drama couple. ❤️

Namgiljungwoo Mar 07 2021 3:28 am Really can't wait!!!

Maja Feb 08 2021 2:42 am Great chemistry! Much awaited series.

Eda Jan 06 2021 10:45 am he plays an unfaithful husband again? hope it's just supposed

i like them as a couple

Jennifer Jan 05 2021 11:21 pm I will wait for this. I love them, i have a lover couple. ?

Cristy Dec 26 2020 9:36 pm Super excited

Shams_laagan Dec 11 2020 11:34 am Can’t wait. ? in fact I have not finished watching I have a lover because I am not ready for them to leave me maybe when Undercover comes out I will be ready.

Shamie Nov 15 2020 7:39 pm Love this couple,..! Can't wait to see them again.

Bumi Nov 05 2020 4:31 pm All veteran actors!! Can't wait!!

Ella Oct 23 2020 11:29 pm Kim Hyun Joo see you soon on dramaland ♥️

keiko Oct 23 2020 6:39 am fav couple

Mary Ann Y. Calalin Oct 19 2020 10:30 pm Can't wait with this drama I really miss Kim Hyun Joo and Ji Jin-Hee ??

Yulia Oct 11 2020 6:53 am Oh My. This couple again. Its gnna be fun n excited to watch... cant wait for this drama.

Hdie Sep 18 2020 2:51 pm Please make serial with game leeyounae.

Rawan Jul 29 2020 9:28 am I can't wait for this drama to air. I love kim hyun joo so much And both Ji Jin-Hee and kim hyun joo are acting again as couple I'm so happy i really loved "i have a lover" its an amazing drama ^^

Zicsieu Jul 22 2020 3:58 am Love it, love it, love it! Two of my favorite Korean actors, so I am looking forward to it!

Marie Jul 20 2020 3:48 am I am willing to see him role in different character.

AiwaLu Jul 19 2020 2:13 am Its their 3rd team up! (I have a lover & Ms. Kim’s Million Dollar Quest) Excited for this!!!

Haris Jul 18 2020 5:10 am Well played i'll lookin forward for this

Iammee Jul 17 2020 11:37 pm I love their team up. I actually watched I Have a Lover a couple of time and dont mind rewatching it again

janni Jul 17 2020 10:40 am Love this entertainment couple. This will be their third team up. Can't wait!

Ely Jul 11 2020 1:55 am I lobe them so much

jess Jul 11 2020 12:31 am Great to see two of my favourite Korean actors getting such juicy roles. I can see why jTBC chose to remake BBC's Doctor Foster (as The World of the Married), but Undercover is a much less obvious choice. In any case, I'm really looking forward to seeing Ji Jin-hee as the less than 100% upright male character. As for Kim Hyun-joo -- she was fabulous as the hard-bitten yet traumatised lawyer in Watcher, and I can't wait to see her playing another brilliant, complex mature woman.

Kdramahappy Jul 10 2020 2:53 am Yeon Woo Jin & Han Sun Hwa also part of the cast. Reunion of Marriage Not Dating!!!!

Pie Jul 09 2020 4:07 pm Wow..my fave K Actors...cant wait to watch this..excited much.

Namgiljungwoo Jul 09 2020 6:38 am OMG OMG their 3rd drama together!!! Yes i'm your fans ji jin hee and kim hyun joo~~fightiiing ><

Primadonna Jul 09 2020 1:49 am miss Kim Hyun Joo

LKB Jul 08 2020 9:41 am I Have A Lover Reunion!!!!!!!! So Excited!

mr ghost hunter Jul 08 2020 12:46 am Best news ever ! Love them so much

mr ghost hunter Jul 08 2020 12:39 am yeah i have been waiting for them to come back together in another drama

rahmi Jul 08 2020 12:24 am I cant wait.. Ji Jin Hee, Kim Hyun Joo

Alakalalalw Jul 07 2020 11:50 pm Ji Jin Hee and Kim Hyun Joo!!! OMGGG My 2 Favs!!!!

Neea Jul 07 2020 11:20 pm whoa, doesn't matter which genre, I Am In!!!!! Love, Love, Love this pair

Mykoreanside Jul 07 2020 10:35 pm I cant wait??? Ji Jin Hee❤❤❤

External Links

Official Website

Undercover (Korean Drama)

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

Han Jung-Hyun & Choi Yeon-Soo's Family

National Intelligence Service

Corruption Investigation Office for High-Ranking Officials

Government Group

Prosecutors' Office

Daehan Jeil Daily

Choi Yeon-Soo Law Firm's Clients Group

Police

Secretary General Kim Myung-Jae's Family

2005

1991

1990

1988

Others

Trailers

Episode Ratings

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