With both work and his private life falling apart, Kakeru visits a hot-spring inn alone to forget everything. There he meets Kanna, a married woman traveling by herself, and the two hit it off over drinks in his room. Burdened by troubles of their own, they eventually embrace and surrender to pleasure. Kanna enjoys a brief escape from reality while Kakeru loses himself in their chance encounter, devouring her flushed body until both are drenched in sweat beneath the hot-spring steam...