Yumi, a 52-year-old married woman, has committed a sin that she cannot confess to her husband. As punishment, she is held captive in a man's house, forced into indecent acts such as bondage, exposure, and whipping, enduring the perverted behavior of the man and his servants. Yumi, who had only endured silently, begins to react. Her long-forgotten feminine instincts awaken, and she starts to accept pleasure. Thus, what should have been painful days gradually turn into pleasure…
