Satomi (Hara Chitose) was living a happy life with her beloved husband, Koichi. His beloved wife, Koichi, has purchased an apartment in the suburbs and is working hard to pay off the loan. His brother-in-law Nobuo will live with him for a while for job hunting. Nobuo, who has been aiming for Satomi's body for a long time, succeeds in having an affair with Satomi one day. From that day on, Satomi's lust blossoms. The immoral and unfaithful acts continue despite Koichi, who is unaware of the relationship...
