Hyun Jung's sister is missing and she fears for the worst. Via her sister's cellphone, Hyun Jung learns that her sister stayed in a countryside village. She goes to the village to look for her sister and stops at the local police station for help. Because of the little evidence she has, the police refuse to offer help. Fortunately, Hyun Jung then finds a witness who thinks she saw her missing sister near the home of an elderly man Pan Kon. When Hyun Jung eventually arrives at the elderly man's home, her worst nightmares are to begin. Based on real events that happened between August and September 2007 in Bosung, South Jeolla province, South Korea.