Explores the strange similarities between two cases: The Sugisawa village incident, which is said to have killed all the villagers by one young man, and the Tsuyama incident, which is known as a model for "Hachihakamura."

Within a few months five family members die in mysterious ways. It all started with their only daughter taking their own life in the sea of trees located at the foot of Mount Fuji in Aokigahara.