Bored siblings Michelle and her stepbrother find themselves alone and horny, resorting to masturbation to pass the time. Michelle fingers herself in the bathroom, but her stepbrother walks in, catching her in the act. They argue, then make up, deciding to masturbate openly in front of each other. Michelle takes in her stepbrother's thick, hard cock as he jerks off, fantasizing about feeling it inside her. Just as they're about to act on their desires, someone enters, forcing them to abruptly stop.