At a house in Daebong-dong, Gwangjin-gu, a woman was found dead with all of her clothes undressed. When everyone focuses on physical evidence, Ha Young is curious to find out why those criminals commit such hideous crimes. Meanwhile, Young Soo, the chief of Forensics Squad, sees the potential in him and wants to create a new team with him which analyzes criminals' behavior. (thetvdb.com)