Bored siblings, Michelle and her stepbrother, find themselves alone and horny. Michelle retreats to the bathroom, fingering her wet pussy and big ass, hoping her brother won't catch her. He does, and they argue, but later, they decide to masturbate openly in front of each other. Michelle's eyes widen at the sight of her brother's thick, straight cock. She fantasizes about it filling her tight cunt. Just as they're about to act on their mutual desire, they're interrupted, leaving them breathless and yearning.