Three married women living in the city escape their daily stresses and head on a trip to a hot spring in Tama. Upon arriving at the station, they burst into energetic strides like carefree students, their pent-up frustrations finally erupting. In the taxi, Ayano seduces the driver while Maori aggressively comes on to him as well. By the end of the journey, their desires intertwine in ways beyond imagination, leading to an explosive and uninhibited climax.