Kazuhiko Sagawa returns from the USA to Tokyo and immediately travels to the countryside in a stormy night to see his fiancee Yûko Nonomura in an isolated house in the woods. Her mother Shidu Nonomura tells that Yûko died in a car accident two weeks ago. Kazuhiko spends the night in the house and during the night he overhears and sees Yûko in the nearby cemetery. A couple of days later, his sister Keiko Sagawa convinces her fiance Hiroshi Takagi to seek her brother out at Yûko's house where they disclose the mystery of the Nonomura's family.