Bored step-siblings, Michelle and her brother, find themselves alone and horny. Michelle, a virgin, tentatively explores her body, fingers her wet pussy, and strokes her big ass. Caught in the act, they argue, but lust takes over. Naked, they masturbate openly, Michelle's eyes fixed on her brother's thick, straight cock. Fantasy turns to reality as they're about to go all the way, but a sudden interruption forces them to abort their taboo encounter. -