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.
as Woo Tae-suk
as Eun Sun-jae
as Jeon Choon-man
as Jang Hyung-min
as Chae Dong-yoon
as Shin Ga-young
as Ban Ji-deuk
as Lee Moon-ki
as Jo Doo-jin
as Choi Jung-woo
as Kim Hae-joon
as Bae Yeo-wool
as Woo Tae-Hee
as Koo Young-mi
