A fifty-year-old mother lives alone with her son and has a lewd side, using him as an outlet for her sexual desires. One day, her real brother, whom she had assigned some work, comes to visit, reigniting their past affair. Her intense sex with her older brother flares up again, while she also passionately entangles with her son upon his return home. This mature mother, blessed with a full, ripe body, exerts her feminine charm to the fullest, drawing everyone into a new whirlpool of desire.