The SIU begins the investigation and learns about the very similar case that happened before Saekyung Orphanage Mass Murder Case. Jae Sang offers a deal to Jang Do Shik's wife but she rejects from distrust. While Si On is on her way home, a man follows her and tries to hurt her. And Jae Sang tells Si On what’s really on the bottom of his heart. (Source: KOCOWA)