Hayashi Hara Hidemi is a 51-year-old housewife. Due to her husband's work schedule, he returns home late every day, leaving her alone at home for long hours and making her feel increasingly lonely. To cope with her solitude, she began doing something to comfort herself. However, her actions were discovered by her son, and she could no longer make excuses. Ultimately, she gave in to her feelings for her son... Is it really acceptable for a mother and son's relationship to be destroyed in such a way?