Even after divorce, Kana continues living with her son, bringing new men home every day and indulging in sex as if to atone for her past infidelity. Exhausted by his mother's relentless behavior, her son finally voices his frustration one day, interrupting her in the middle of an affair. Between a young, irresistibly attractive mother and her son entering adolescence, complex emotions begin to intertwine. Clashing responsibilities of motherhood and the son's growing pride, a new, intense relationship starts to emerge, pushing him toward maturity.