A story of a married woman who liberates her mind and body during a hot spring trip. Suffering from a controlling husband, she seizes the chance to escape when he claims a one-night, two-day business trip, allowing her to embark on an affair. Freed from the constraints of daily life, she responds to a man's advances for the first time in a long while, experiencing both shyness and excitement as she indulges in pleasure. Her body trembles each time she is penetrated, climaxing repeatedly. As they share dinner and savor the lingering romance, she receives a sudden call from her husband announcing his early return. Flustered, she rushes back home. Three weeks later, the two reunite, the passion they felt on their trip still burning hot, and passionately crave each other once again.