Curious siblings, Michelle and her stepbrother, find themselves alone and horny on a lazy afternoon. Michelle sneaks into the bathroom, masturbating furiously, her moans echoing through the house. Caught red-handed by her brother, they argue, but soon, their mutual lust takes over. Michelle, entranced by her brother's massive cock, begs him to fuck her. Just as they're about to indulge, a sudden noise stops them in their tracks.