A son who lost his ability to move after an accident. A mother is caring for him. However, she doesn't know why her son can't move. Then her mother's boss comes to visit her. Widowed by her husband, her son can't move. Her mother gives in to her boss' kindness and enjoys a brief rendezvous. Her son's crotch, which should not be able to move, becomes hot and throbbing with the action. The next day, the son calls his mother and asks her to do something about his erect crotch. His mother makes up her mind and gently rubs his erect crotch, performs oral sex on him, and receives his milky liquid. A few days later, the son calls his mother. He tells her that he can move his arms again, and as he approaches her, he squeezes her breasts...