A woman who used to be the company's secretary remarries the man now running the business. Her stepson, though an adult, continues to live at home as a recluse. Concerned for him, she kindly takes care of him as a loving stepmother. One day, she enters his bedroom to encourage him, only to be shocked by an unexpected incident. She realizes her underwear has gone missing from the laundry, and when her stepson panics and apologizes, she's confused but gently forgives him, embracing him with warmth. Overcome with arousal, the stepson becomes excited and suddenly pushes her down...