Shoji Kubota

Private detective Kogoro (Kouta Kusano) receives a request from Naoko (Yuki Mamiya). She is the daughter of a family that runs a large hospital. Naoko wants private detective Kogoro to investigate her fiance Endo (Yasushi Fuchikami) and whether he is having an affair with university student Teruko (Noriko Kijima).

Shuichi Minamida lives comfortably on the proceeds of his father's legacy, but he struggles with the idea that his beautiful wife, Moyako, no longer loves him. One day he confesses his worries to Kotoura, his dentist. Kotoura summons the Akechi detective agency and asks them to investigate his friend's wife, Miyako. Fumiyo Akechi takes the case and begins her investigation. She soon notices that something strange is going on between Miyako and the dentist.

A soba restaurant owner dies mysteriously on D. Street. The police rule it as a suicide, but Detective Akechi Kogoro and his wife Fumiyo think otherwise and launch their own investigation. As they delve deeper, they discover relationships twisted by perverted desire and hideous affection and hatred.