Psychopath Diary

Season 1, Episode 9: It Wasn’t Me

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Dong Sik and Bo Kyung try to uncover the truth of a murder that happened eight years ago. As the two visit the crime scene, Dong Sik tries to convince himself that it wasn't him. Meanwhile, In Woo plans to set Dong Sik up as the killer to all his past murders, and Bo Kyung receives an anonymous text message about the predatory serial killer.