A flame of lust burns deep in her dignified gaze. A married woman accepts this 'forbidden' night... Alone with her lover, she has her first sexual encounter in a hot spring on a forbidden adulterous trip. With their bodies pressed together, they climax as they entwine so violently that the water surface shakes. And as the sun sets, the woman's body becomes more lustful, and they are alone in the dimly lit Japanese-style room. Wetting the futon with sweat and love juice, the married woman swings her hips and seeks a cock, and finally receives another man's sperm...