A young wealthy widow becomes sexually involved with her father-in-law, while harboring a destructive obsession with the family gardener.
When a US army sergeant is found drowned in Tokyo Bay, an investigation is launched to determine how and why he lost his life. The investigation uncovers a black market scheme involving counterfeit money, murder, and conspiracy.
Chie (Sanae Ōhori), newly arrived in Tokyo, saves her friend from school, Mari (Annu Mari), from a suicide attempt. The two girls become close, eventually leading to a lesbian relationship. Their affair drifts into sadism and involvement with a bizarre sex cult, resulting in the deaths of the two lovers.
