Tae Seok plans to use Kwon Soo Chul as a bait to catch Kang Woo Joon. On the day Kwon Soo Chul is discharged from the prison, Tae Seok and Detective Chae take Kwon Soo Chul to a safe place. Meanwhile, Eun Seon Jae asks Tae Seok to catch the culprit who killed her parents.
'정의 살인마'의 첫 번째 처형식은 과연 성공할 수 있을까?
그를 쫓던 태석은 자신과 묘하게 닮은 '정의 살인마'를 보며 깊은 고민에 빠지는데..
