Two couples engage in adulteries with each other then discover the joys of wife swapping when they meet another free spirited couple.

• Nikkatsu Corporation
• Hidemi Hara
• Akemi Nijo
• Masumi Jun
• Keiko Tsuzuki
• Tatsuya Hamaguchi
• Hironobu Takahashi
• Hidetoshi Kageyama
• Kensuke Tamai