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Investigation Couple (Season 1)

Title: 검법남녀 / Investigation Couple
Chinese Title: 檢法男女
Also Known as: Partners for Justice
Genre: Mystery, Detective
Episodes: 32
Broadcast network: MBC
Broadcast period: 2018-May-14 to 2018-July-17
Air time: Monday and Tuesday 22:00 (2 episodes back-to-back)
Related Series: Investigation Couple Series


This drama is about a forensic doctor and prosecutor who work together to catch a serial killer.

Baek Bum (Jung Jae Young) is a forensic doctor with 10 years of experience at the National Forensic Service. Although his skills are recognized and he has performed the most autopsies in Korea, he is eccentric and has a picky personality. Meanwhile, Eun Sol (Jung Yoo Mi) is a prosecutor working in the 8th Eastern District. As she was born into a wealthy family and possesses photographic memory, the detective is a warm, sensitive character who aims to connect with people’s hearts and pursue the truth.


Main Cast

Jung Jae Young as Baek Bum
Jung Yoo Mi as Eun Sol
Lee Yi Kyung as Cha Soo Ho
Park Eun Suk as Kang Hyun
Stephanie Lee as Stella Hwang

Eastern District Prosecutors’ Office

Ahn Suk Hwan as Noh Han Shin
Kim Ho Jung as Oh Hee Soo
Park Joon Gyu as Kang Dong Sik
Park Hee Jin as Cheon Mi Ho
Baek Seung Hoon as Seo Jung Min
Kim Min Ha as Park Min Young

National Forensic Service

Joo Jin Mo as Park Joong Ho
Song Young Kyu as Ma Do Nam
Go Kyu Pil as Jung Sung Joo
Noh Susanna as Han Soo Yeon

Eun Sol’s family

Go In Bum as Eun Ki Sang (Eun Sol’s father)
Kim Seo Ra as Han Mi Mo (Eun Sol’s mother)
Kang Sun Sook (강선숙) as Bul Kyo Daek

Gangdong Police Station

Kim Ki Moo as Detective Park
Min Pil Joon as Detective Kang


Yoon Ji Min as Lee Hye Sung
Chae Yoo Ri as Han Soo Yun’s daughter
Oh Man Seok as Do Ji Han
Go Se Won as Kang Yong
Kim Young Woong as Yang Soo Dong
Kim Min Kyu as Kim Joon Tae
Ha Eun Soo as Yun Mi Rae (ep 8-11, victim)
Oh Hee Joon as Suk Do Hoon (ep 9-11, Yun Mi Rae’s stalker)
Lee Na Ra as Choi Hwa Ja
Yoon Sa Bong as Jang Hoo Nam
Kim Sun Kyung as dr. Park (ep 21)
Jun Yeo Jin as Han Ji Won
Choi Young Woo as Yeom Dae Sik (ep.23-24)

Production Credits

Production Company: HB Entertainment
Director: Noh Do Chul
Screenwriters: Min Ji Eun, Won Young Shil


2018 MBC Drama Awards – Top Excellence Actor (Mon-Tue Drama): Jung Jae Young (Investigation Couple)
2018 MBC Drama Awards – Top Excellence Actress (Mon-Tue Drama): Jung Yoo Mi (Investigation Couple)

Episode Ratings

    Nationwide Seoul Nationwide Seoul
2018-05-14 1 4.3 4.4 4.5 4.7
2018-05-14 2 4.7 4.8 4.9 5.1
2018-05-15 3 5.0 5.2 5.1 5.3
2018-05-15 4 5.9 6.3 6.5 (13th) 7.8 (10th)
2018-05-21 5 4.3 4.5 4.7 4.9
2018-05-21 6 5.1 5.3 5.2 5.4
2018-05-22 7 5.3 5.5 5.6 5.8
2018-05-22 8 6.5 (17th) 6.7 6.3 (17th) 6.5 (18th)
2018-05-28 9 5.8 6.6 5.8 (20th) 6.5 (17th)
2018-05-28 10 6.8 (20th) 7.0 6.7 (16th) 6.9 (14th)
2018-05-29 11 5.0 5.8 5.6 (18th) 6.4 (17th)
2018-05-29 12 5.6 6.3 6.4 (15th) 7.1 (10th)
2018-06-04 13 6.0 6.8 7.0 (13th) 7.7 (10th)
2018-06-04 14 7.0 7.9 7.7 (8th) 8.5 (6th)
2018-06-05 15 6.2 6.5 6.7 (10th) 7.2 (10th)
2018-06-05 16 7.4 7.6 8.2 (5th) 8.4 (5th)
2018-06-11 17 6.7 7.0 6.9 (16th) 7.1 (15th)
2018-06-11 18 7.8 7.9 7.7 (7th) 7.7 (7th)
2018-06-12 x USA-North Korean Summit in Singapore
2018-06-12 x USA-North Korean Summit in Singapore
2018-06-18 x FIFA World Cup 2018
2018-06-18 x FIFA World Cup 2018
2018-06-19 x FIFA World Cup 2018
2018-06-19 x FIFA World Cup 2018
2018-06-25 19 6.2 6.8 6.5 (19th) 7.3 (10th)
2018-06-25 20 7.1 7.6 8.1 (7th) 8.5 (6th)
2018-06-26 x FIFA World Cup 2018
2018-06-26 x FIFA World Cup 2018
2018-07-03 21 6.6 7.1 6.8 (17th) 7.3 (14th)
2018-07-03 22 7.7 7.9 8.0 (10th) 8.3 (9th)
2018-07-03 23 6.2 6.3 6.6 (20th) 6.6 (20th)
2018-07-03 24 7.1 7.4 7.5 (13th) 7.8 (12th)
2018-07-09 25 7.5 8.1 7.4 (15th) 8.0 (10th)
2018-07-09 26 8.3 8.5 9.0 (6th) 9.0 (8th)
2018-07-10 27 7.1 7.8 7.1 (13th) 7.9 (9th)
2018-07-10 28 8.7 9.3 9.0 (5th) 9.6 (5th)
2018-07-16 29 6.5 6.6 6.7 (15th) 6.9 (15th)
2018-07-16 30 8.4 8.7 8.4 (6th) 8.5 (7th)
2018-07-17 31 7.5 8.0 7.7 (8th) 8.2 (6th)
2018-07-17 32 9.5 10.2 9.6 (5th) 10.3 (4th)

Sources: TNmS Media Korea & AGB Nielsen Korea

*** Different between TNmS Media Korea & AGB Nielson – Here


Related Photo

(Other Photo from Official Site)

Official Site

Official Trailer
Trailer I

Watch Online in Viki.com


  1. 1 : Douglas Min Says:

    Waiting for this drama
    Lee Yi Kyung( great actor), Jung Jae Young and Jung Yoo Mi

  2. 2 : company search Says:

    I’m a fan of CSI series, this drama gives me CSI vibe. Can’t wait to watch it.

  3. 3 : Hyeongnam Says:

    Oh! It’s the lovely Jung Yoo Mi. I will be checking this out.

  4. 4 : Hyeongnam Says:

    She didn’t know that she’s not to disturb the crime scene before forensics completes their work. Wha . . . ?? Drawing conclusions before examination of all the evidence were done. She would have failed to graduate. Indeed that level of low IQ would not have carried her on to university.

    So many crucial things which make a police crime investigation drama at least credible, the writer totally ignored. Disappointing.

  5. 5 : Hyeongnam Says:

    Anyone who watched American criminal investigation dramas would find this drama disappointing. The drama depicts a young prosecutor as clueless—not in a way we can forgive her. We can’t because such a person would never have passed the prosecutors exam. Make that any law enforcement exam.

  6. 6 : Anna Says:

    maybe actually this drama can be good. but the authors wrote down the silliness of a prosecutor at the crime scene. embarrassing. how she insists on accusing a suspect without solid evidence, just because of his intuition. how she scolded the forensic doctor for issuing an unfavorable autopsy result. he even accused the forensic doctor of taking bribes to reverse the facts. Writer nim….please….she must play as a school girl trying to solve the case not as a prosecutor.
    whereas the power of the drama is in the early episodes, which determines whether the audience will continue watching or not. and now I’m very disturbed watching her female lead.

  7. 7 : Dee Says:

    I tried to watch this because i like to watch criminal investigation US drama..but then i failed to continue coz of the lead female character. Somehow the first episode just went wrong, really writer-nim? She came and ruined the crime scene just like that?
    After that i just skipped to the lab scene or anywhere the lead male scenes coz he seems so logic. And then i stop tried to watch the moment she ruined things (again).

  8. 8 : Jukbang Says:

    BEST .

  9. 9 : MaxT Says:

    It’s a good CSI drama, but no romance after 14 episodes. 7/10

  10. 10 : Wiky Says:

    I really like this drama , and so sad pending an episode.

  11. 11 : michelle Says:

    I have been waiting for the Drama Investigation Couple. When is it on air?!

  12. 12 : Nelson Says:

    Dear Hyeongnam, this is a Korean drama. So…keep your [email protected]#king mouth shut

  13. 13 : Hyeongnam Says:

    Nelson, might I suggest you formulate a proper argument. It is not a mark of civility to attempt to silence those whose opinion you don’t like. At least not in western society where free speech or freedom of expression is held in high regard.

    And the reason why freedom of expression is regarded highly is because as one of the pillars of western society, it makes it possible for one to prosper.

    If you subscribe to a non-western society, know that your mobile phone, tv, computer, automobile, air-con, refrigerator, internet and a myriad of things are the results of the ingenuity of individuals of a free society.

  14. 14 : Hyeongnam Says:

    @Nelson to suggest critiquing a drama is a no-no simply because it is Korean, is a kind of bigotry of low expectations toward the Korean entertainment industry.

    I’m sure you don’t mean to, but you don’t help the industry by silencing criticisms.

  15. 15 : Hyeongnam Says:

    I can’t recommend this drama. It sucks monkey balls. Seriously!
    But, if you have an IQ less than 80 then ignore this comment.

  16. 16 : cw Says:

    Wish I could join in the conversation, but this network not providing sub-titles. Are they going or gone broke.

  17. 17 : Ryan Says:

    What happened to the first six episodes??? Where I live in the Chicago area, they were not aired. On July 9, episodes 7 and 8 aired!!!!!

    Stella Hwang – her character reminds me of Abby from NCIS.

  18. 18 : Stranger Says:

    @ryan i love abby n all ncis cast!! Especially their earlier season with ziva n tony…☺😁

  19. 19 : Han Han Says:

    Love this drama…. Hope it’ll be season 2 soon

  20. 20 : Phoenix Says:

    I like it. I waiting the next story. I hope next story, it will be romance

  21. 21 : Diana Says:

    I enjoyed all the episodes!!!

    Can wait for “Season 2”!!!

  22. 22 : Bin Umar Says:

    will there be season two of this drama or more episodes are to be aired

  23. 23 : Ann Bandoquillo Salinas Says:

    Aw!after watching 3rd season of Voice Ijust randomly opened any mystery thriller kdramas.And this one caught my attention bcoz it’s quite similar to my favorite Sign kdrama that tackled about crimes, forensics and all but because of some comments from the viewers here I am having a second thought now

  24. 24 : Ann Bandoquillo Salinas Says:

    Was it really that disappointing drama?Did anyone here have watch Sign?It was really a nice drama the storylines,the execution of scenes are great and even the actors,so this one is really incomparable to it?

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