Sayuri and her husband invite her husband's boss, who lives in the same company housing. The man had been secretly ogling Sayuri since her student days, and it was a chance encounter. His unrequited love is rekindled, and he rapes Sayuri next to her drunken husband. After that, whenever her husband comes to work, he comes into Sayuri's house and begins to torture her in a perverted way. Sayuri falls into a never-ending hell of carnal desire...
