A young married woman named Mio, struggling in her marriage, turns to an affair to fill the emptiness in her heart. Excited for a hot spring getaway with her lover, she arrives at the inn with desire already stirring. Unlike her cold husband, he constantly craves her body. His passionate advances make her feel desired as a woman like never before. With relentless thrusting, he engulfs her in deep pleasure, revealing the lustful, fervent side of this married woman.