Fumio, who works at an ironworks, has an affair with Yoko, the wife of the president of the ironworks. The wife of Shimizu, a detective who investigates Yoko's background at the request of Nobuo, the president of the company, is also having an affair with his mistress, Kenichi. Nobuo becomes angry and impulsive. Upon receiving the report, a jealous Nobuo impulsively kills Shimizu and appears with an iron pipe in front of Fumio and Yoko, who are entangled in an ironworks. The story accelerates toward the end as the impulsive murderer brings together a man and a woman in a love-hate relationship at a villa in Izu....