Michiko, a housewife who has reached her sixtieth birthday, lives with her husband and son, feeling no particular dissatisfaction with her daily life. However, despite her age, her libido has intensified, leaving her unsatisfied with her husband's performance in bed. Though burdened with guilt, she begins an affair with a male delivery driver from a vegetable delivery service. She starts ordering vegetables daily, using each delivery as an opportunity for another tryst. Stealing moments behind her husband's back, she continues chasing excitement—until the affair abruptly ends. One day, her son's friend comes to stay overnight. By chance, catching sight of the young man's erect cock, Michiko's body ignites with desire once again...