Mature Young Wife: The Swapping

Detective Nozawa persuades his wife, Akiko, to go to a swinger club. There, he meets Saeki and Etsuko, who live in the same apartment building, but shortly after, Etsuko's murdered body is discovered...

Cast: Shirō Shimomoto, Yūko Ōsawa, Yutaka Ikejima, Chiemi Akimoto, Makoto Chiaki