The man whispers, "Please forget about your husband, just for today..." and Yumi softly replies, "Yes." Her daily life is dull—she doesn't hate her husband, but her heart remains unfulfilled. Though this affair may not last, she longs to spend this one day alone with her lover, engaging in pure, honest sex without pretense. They passionately desire each other with raw, primal intensity, their mutual lust impossible to ignore. Tonight's encounter with her will become a step toward something new, breaking free from the monotony of her ordinary life.