Slacker detective Jeong-min (Kim Dong-wuk) is assigned to investigate a serial killer case. For the first time in his career he puts his heart into his work but Yeong-seok (Yoo Oh-seong), an unemployed man with natural instincts as a detective, gets in the way by trying to catch the killer as well.
Kim Dong-wook
Det. Jeong-Min
Yu Oh-seong
Young-Suk
Kim Eung-soo
Captain
Shim Eun-kyung
Kim Ha-Rin
Lee Mi-do
Squid
Song Ok-suk
Choi Jung-min's mother
