In a household where a mother and her son live alone, the eldest son becomes aroused when his younger brother visits and they stay up late making noise. Overcome with desire, he begins touching his mother's body, leading to intense mutual foreplay that ultimately culminates in forbidden intercourse. Stimulated by her seventy-year-old mother's astonishing sexual appetite, the son reaches orgasm after orgasm without end. Forbidden emotions hidden within family bonds lead to ultimate pleasure.