Michelle and her brother find themselves alone, bored, and horny. She retreats to the bathroom to finger her wet pussy, but he walks in, catching her mid-pleasure. They argue, then decide to masturbate together, openly. Michelle takes in her brother's thick, hard cock as he jerks off. Fantasizing about his dick inside her, she asks him to fuck her hard. Just as they're about to act, someone enters, forcing them to stop.