Riley Reid finds herself alone with her stepbrother, the tension palpable. She retreats to the bathroom, but her secret masturbation session is interrupted when he bursts in. Caught red-handed, Riley argues, but later, they both succumb to their desires, naked and openly masturbating in front of each other. Riley's eyes widen at the sight of his thick, straight cock, and she fantasizes about it inside her. Just as they're about to act, a sudden noise forces them apart.