69-year-old Setsuko has not had any sexual experience with her husband for over ten years. Their marriage had deteriorated into a mere cohabitation, devoid of intimacy. One day, she hires a handyman to repair her house and ends up engaging in a physical relationship with him. Initially, the affair serves only to satisfy her suppressed desires, but as the illicit thrill of betraying her domestic arrangement intensifies, she becomes captivated by the profound pleasure he provides. Through this new relationship, Setsuko discovers unexpected emotions and pleasures, embarking on a journey of self-renewal and sensual awakening.