After his wife and child committed suicide, Sasaki was so shocked that he quit his job and has been living a modest life painting. Then, by chance, he meets up with an old colleague and heads to the home of his colleague's wife, Sachiko, who is waiting for him. In fact, Sachiko and Sasaki have been having an affair for a long time, and that day they have sex next to their colleague as he sleeps. Sasaki also begins to have a physical relationship with Sachiko's younger sister.

Sho is a loner who works at a small factory. He has no friends, hardly associates with his work-mates and is regarded as a weirdo because of his love for gun models. One day he buys a real gun from a local yakuza. This boosts his self-confidence and he overcomes his insecurities and presents a bouquet of flowers to Eiko, who lives in a classy apartment and with whom he had fallen in love.

A woman mysteriously develops psychic powers and the ability to contact spirits of the dead. Tōru, her avaricious husband, convinces the woman to hold seances, charging people money to contact their dead. When the King of Hell learns of this business, he kidnaps the wife. Attempting to rescue his wife, Tōru travels to the underworld with a Chinese monk. On the journey they encounter scenes of horror and sexual perversion.