After the sudden death of her husband, the mother is overwhelmed by deep anxiety and loneliness, developing an intense attachment to her son. The son, torn between a desire to protect his mother and growing romantic feelings, finds their relationship shifting from parent-child to something intimate. In the bathroom, the mother sees her son's throbbing erection and loses all rationality. This whirlwind of emotion pushes them beyond familial bonds, forging a new, forbidden relationship.