Four years into marriage, her husband is a company president, and she took pride in being the president's wife—until she sensed his infidelity and fell into deep despair. With this pain in her heart, she embarks on an affair-filled trip. Arriving at a hot spring inn, she calmly undresses and follows a man's invitation to an outdoor bath. There, driven by a reckless desire for revenge against her husband, she lets him take her. Starting the journey in self-destructive despair, when the man embraces her again, all her pent-up frustration erupts, and she fully surrenders to pleasure. Her face and chest flush deeply as she reaches climax after climax. On this hot spring trip, the married woman's heart and body undergo a profound transformation.