20 years ago Moo-Yeom’s father was a suspect in the "Gap Dong” serial murder case. Because of the detectives’ oppressive investigation, Moo-Yeom’s father killed himself. Now, Moo-Yeom is a detective and works to capture the killer Gap Dong. The statue of limitations has expired for the serial murder case and Moo-Yeom resigns to the belief that Gap Dong is dead. New clues though for Gap Dong appears in front of Moo-Yeom and he sets out to catch him once and for all.
Jeong In-gi
Jo Min-jun
Yoon Sang-hyun
Kim Min-jung
Sung Dong-il
Lee Joon
Kim Ji-won
Kang Nam-gil
Min Sung-wook
Yoon Kyun-sang
Choo Soo-hyun
Yoon Chan-young
Hyun Woo
Jeong Jae Min
Ha Jun