The Good Detective
A JTBC Original
Two factions chase the same goal from opposite sides of the law in this Korean crime drama. The series centers on a contested pursuit for truth, where legends of corruption and decades of secrets collide with the urge to expose what really happened. At the center stands Oh Ji-hyeok, a detective... Read more
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Streaming availability last verified: January 14, 2026
About The Good Detective
Two factions chase the same goal from opposite sides of the law in this Korean crime drama. The series centers on a contested pursuit for truth, where legends of corruption and decades of secrets collide with the urge to expose what really happened. At the center stands Oh Ji-hyeok, a detective with nine years on the force who keeps his emotions under lock and key after a childhood wound. He moves through investigations with quiet precision, unshaken by money or title, even when wealth flows from an influential uncle. Supporting him is Kang Do-chang, played by Son Hyun-joo, whose perspective adds grit to the casework.
Produced as a 2020 South Korean crime drama, The Good Detective is the brainchild of Cho Nam-guk and Choi Jin-won. The show leans into a tightly wound, character driven approach rather than flashy gimmicks, with a focus on practical investigation.
The series grapples with a core tension between those who want to unearth the truth and those who prefer to bury it. Oh Ji-hyeok is defined by restraint, not bravado, and the nine year veteran's past shapes his choices. Viewers gave it about 7.2 out of 10 from 39 votes.
Within its crime drama sphere, The Good Detective stands out for a sober mood and a focus on moral gray areas rather than showy twists. Its emphasis on trust, memory, and the cost of truth adds to a wave of serialized investigations in Korean television.
Details
- Release Date
- July 06, 2020
- Episode Length
- 1h 5m
- Rating
- TV-MA
- User Ratings
- 39 votes
- Type
- TV Series
- Seasons
- 2
- Episodes
- 32
- Network
- JTBC
- Status
- Ended
- Genres
- Crime, Drama, Mystery, Action & Adventure
- Country
- South Korea
- Studio
- Blossom Story +2 more
- External Links
- View on IMDB
Official Trailer
Cast
Son Hyun-joo
Kang Do-chang
Jang Seung-jo
Oh Ji-hyeok
Kim Hyo-jin
Cheon Na-na
Jung Moon-sung
Woo Tae-ho
Cha Rae-hyung
Kwon Jae-hong
Jung Soon-won
Ji Man-gu
Kim Ji-hoon
Byeon Ji-woong
Kim Myeong-jun
Sim Dong-uk
Son Jong-hak
Moon Sang-beom
Jo Hee-bong
Woo Bong-sik
Created by: Cho Nam-guk, Choi Jin-won
Seasons (2 seasons, 32 episodes)
Season 1
16 episodes - 2020
Season 2
16 episodes - 2022