Bored and horny, Michelle and her stepbrother retreat to their rooms, masturbating secretly. Michelle's moans betray her, and her stepbrother catches her mid-orgasm, her body glistening. They argue, but tension turns to lust. Naked, they explore each other, Michelle's fingers tracing her brother's thick cock. As they're about to fuck, a noise startles them, leaving them breathless and unsatisfied.