Eight years into her marriage, Miyako Mizuki (Mariko Okada) looks happy on the outside, but in fact she is not satisfied with her husband, Yuzo (Shinsuke Ashida), who cares about nothing but his career. Miyako has been having an affair with a young interior designer named Kitano (Tamotsu Hayakawa), who in turn has a fiancée named Machie (Keiko Natsu). One night in a hotel, Miyako lets Kitano takes some nude photos of her. On her way back, she is followed by a stranger (Shigeru Tsuyuguchi), and loses her handbag with the film negatives inside while trying to escape. Later at home, Miyako receives a call from the stranger. He uses the negatives to threaten her to follow his instructions and take a train to the north. The stranger is named Ginpei. He was a teacher in a girls’ school, but was expelled because of a scandal with one of his students. As Miyako meets up with Ginpei, she develops a strange attraction towards him.
Subtitles:English, French sub/idx muxed