As he reaches puberty, the virgin son becomes acutely aware of the strangely erotic allure emanating from his mother's body, his heart racing uncontrollably. When he can no longer bear it and cries out, "Mom... I... I can't hold back anymore!", the mother resolves to personally teach him the realities of sexual intercourse. Her bold, hands-on instruction both bewilders and gradually intensifies her son's arousal. A forbidden mother-son incest story unfolds.