overview : 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.

First Air Date : Apr 11, 2014

Last Air Date : Jun 21, 2014

Runtime : 1h 0m

Episodes : 20

Seasons : 1

Genre : Crime,Drama,Mystery,

Companies : Pan Entertainment

Countries : KR

Keywords : detective, investigation, psychopath, murder, serial killer, mad dog