Bored siblings, Michelle and her stepbrother, find themselves alone and horny. Michelle retreats to the bathroom, masturbating furiously until her stepbrother walks in on her. They argue, but the tension is palpable. Later, they give in to their desires, openly masturbating in front of each other. Michelle's eyes widen at the sight of her stepbrother's huge cock, and she fantasizes about feeling it inside her. Just as they're about to act on their mutual lust, someone interrupts, leaving them frustrated but eager for more.