A mother's heart gradually shatters at her son's cold demeanor. Having raised him single-handedly since childhood, she recently sensed a growing distance between them. One day, she sneaks into her son's room and discovers him watching adult videos on his phone while masturbating. His eyes are fixated with desire on the naked body of an unfamiliar woman. Overwhelmed by deep loneliness and anger, the mother begins pouring even greater affection onto her son—an affection that soon transforms from mere parental care into something far more intense.