A story of a married woman's heart and body trembling during a hot spring trip. The night she reunites with him is filled with impulses that surpass all past restraint. Though wounded by past relationships, she seeks new emotions tonight. Upon arriving at the inn, memories of their previous intimacy spark her bold advances. Soaking in the hot spring waters, she wildly loses control, releasing all her pent-up desires. The passion of a married woman deepens the hot spring night.