Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.
손현주
as Kang Seong-jin
장혁
as Choi Gyu-nam
라미란
as Song Jeong-sook
조달환
as Kim Tae-sung
지승현
as Park Dong-gyu
Oh Yeon-ah
as Park Sun-hee
박지일
as General manager Lee
Choi Youn-so
as Ji-sook
Jong Ho
as Reporter
김상호
as Jae Jin
Park Kyung-geun
as Group leader Yang
주석태
as Young prosecutor
