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.
1 season · 20 episodes
A police detective strives to clear his deceased father's name by catching the real serial killer who terrorized the country 20 years ago.
S1 E1Episode 1
Apr 11, 201460 min
Mu-yeom who became a detective for his father, receives news like a nightmare.
S1 E2Episode 2
Apr 12, 201460 min
Hearing something suspicious about the body of a murder case, Mu-yeom rushes to the crime scene.
S1 E3Episode 3
Apr 25, 201460 min
It's reported that the first case is the act of Gabdong and there will be a second case of murder.
S1 E4Episode 4
Apr 26, 201460 min
Mu-yeom is arrested as a criminal, and Yang suggests to compare the DNA of Gabdong and Mu-yeom.
S1 E5Episode 5
May 2, 201460 min
Chief Yang meets Maria and thinks of a girl he met at the scene for a case from a while ago.
S1 E6Episode 6
May 3, 201460 min
Mu-yeom suspects Tae-oh as Gabdong. Tae-oh lets out the story of his dead father to Maria.
