| Duration: | 4680 min |
|---|
A diary of a serial killer is found and acts as a key to uncover the truth behind an incident.
Dong-sik gets fired from his company and witnesses an incident that changes his life.
Dong-sik's attitude completely changes, and In-woo and officer Bo-kyung look for a homeless man.
Dong-sik secretly plans his next murder, and Bo-kyung receives a suspicious report.
Dong-sik gets promoted to Deputy thanks to In-woo but finds his suicide note.
Bo-kyung discovers a pattern in the serial murders, and In-woo makes a move.
Dong-sik is conflicted after learning the truth about a case, and In-woo approaches Bo-kyung.
