Nappeun hyeonsa
Woo Tae Suk is an experienced and well-established detective with a long professional career, but in spite of everything he is a lonely and bitter human being. It all has to do with him only focusing on solving cases, while his actions are completely controversial because it crosses the line between good and evil. Woo Tae Suk crosses paths with a psychopath, but he cannot arrest her because of lack of evidence. The woman eventually decides to help Woo Tae Suk solve other cases.
Cast

Shin Ha-kyun
Woo Tae Seok
Lee Seol
Eun Sun Jae, Eun Sun-jae
Seol Ji-yun
Kim Nan-hee

Yoon Hee-seok
Jo Doo Jin [Public Relations Officer], Jo Doo-jin
Baro
Chae Dong Yoon [Tae Seok's partner]

Bae Da-bin
Shin Ka Young [Detective], Sin Ga-yeong

Bae Yoo-ram
Ban Ji Deuk [Hacker]
Bae Yoon-kyoung
Woo Tae Hee [Tae Seok's sister]
Shim Eun-woo
Jeon Joo-yeon

Cho Yi-hyun
Bae Yeo-wool

