Jung Ho, a famous photographer, has just returned to Korea from abroad. Jung Ho still can't get rid of traumatic memories of his late girlfriend who ended her life in front of him. In the midst of this, Jung Ho becomes a temporary guardian for Soo Yeon, a little girl whose mother is in a vegetative state and father who died in a car accident. However, at the same time, gruesome killings started happening that targeted little girls. Detective Kim begins to suspect Jung Ho is involved in the events.