Bored siblings, Michelle and her stepbrother, find themselves alone together. Michelle, frustrated, masturbates in the bathroom, her moans echoing. Caught by her stepbrother, they argue, but later, they decide to masturbate openly in front of each other. Michelle's eyes widen at the sight of her stepbrother's thick, straight cock. She fantasizes about feeling it inside her. Just as they're about to act on their desires, someone enters, interrupting their taboo encounter.