Bored siblings Michelle and her stepbrother find themselves in a compromising position when they're both home alone. Michelle, aroused and restless, begins to masturbate in the bathroom, only to be caught in the act by her stepbrother. Their argument escalates, but later, they decide to explore their mutual attraction, masturbating openly in front of each other. Michelle's eyes widen at the sight of her stepbrother's massive cock, and she fantasizes about feeling it inside her. Just as they're about to cross the line, someone enters, forcing them to abort their taboo encounter.