Joo-hyeop is a serial killer living in countryside hiding his identity. When his son befriends a girl who is the only person that knows his true identity, Joo-hyeop decides to kill her for the sake of him and his son.
Joo-Hyub (Ma Dong-Seok) is a cold blooded serial killer, but he tries to live unnoticed in a small village with his son Yong-Ho (Ahn Do-Kyu). His son becomes friends with Ji-Soo (Kim Hyun-Soo) who is a new transfer student at his school. Ji-Soo soon realizes that Joo-Hyub is a serial killer. Joo-Hyub decides to kill Ji-Soo for himself and his son.
