The Good Detective poster

The Good Detective

TV Show TV-MA 2020 1h 5m/ep 7.2 /10 Ended
JTBC A JTBC Original
Created by Cho Nam-guk, Choi Jin-won

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

Son Hyun-joo

Kang Do-chang

Jang Seung-jo

Jang Seung-jo

Oh Ji-hyeok

Kim Hyo-jin

Kim Hyo-jin

Cheon Na-na

Jung Moon-sung

Jung Moon-sung

Woo Tae-ho

Cha Rae-hyung

Cha Rae-hyung

Kwon Jae-hong

Jung Soon-won

Jung Soon-won

Ji Man-gu

Kim Ji-hoon

Kim Ji-hoon

Byeon Ji-woong

Kim Myeong-jun

Kim Myeong-jun

Sim Dong-uk

Son Jong-hak

Son Jong-hak

Moon Sang-beom

Jo Hee-bong

Jo Hee-bong

Woo Bong-sik

Created by: Cho Nam-guk, Choi Jin-won

Seasons (2 seasons, 32 episodes)

Season 1

Season 1

16 episodes - 2020

Season 2

Season 2

16 episodes - 2022

Frequently Asked Questions

The Good Detective is not currently available to stream, rent, or buy online in the US. Check back later for updates.

The Good Detective has 2 seasons with a total of 32 episodes.

With a rating of 7.2/10 from 39 viewers, The Good Detective is well-regarded and recommended by viewers.

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 w...

The Good Detective stars Son Hyun-joo, Jang Seung-jo, Kim Hyo-jin, Jung Moon-sung, and Cha Rae-hyung.

The Good Detective was created by Cho Nam-guk and Choi Jin-won.

The Good Detective was released on July 06, 2020.

The Good Detective is a Crime, Drama, Mystery, and Action & Adventure series.

Jang Seung-jo plays Oh Ji-hyeok, an elite detective of nine years who doesn't share his feelings with others due to a painful past. The role is central to the show's exploration of truth versus those who want to cover it up.

The Good Detective is a crime drama about the race between people who want to uncover the truth and those who want to cover it up. It follows investigators like Oh Ji-hyeok as they navigate complex cases and personal struggles.

The series has 2 seasons and a total of 32 episodes. It has ended, with no further seasons announced.

Son Hyun-joo plays Kang Do-chang. This character is part of the top cast credited for the series.