Frustrated and horny, step-siblings Michelle and her brother can't resist their carnal urges any longer. She strokes her shaved, tight pussy, while he jerks off his thick, straight cock. When he catches her masturbating, they argue, but the tension turns into lust. Soon, Michelle is fantasizing about his massive dick plunging into her, and just as they're about to act on their mutual desire, someone enters, forcing them to abruptly end their intense, taboo encounter.