A student and her brother, both horny and frustrated, resort to self-pleasure in isolation. The sister, a gorgeous, big-assed teen, fingers her wet pussy while her brother strokes his thick, straight cock. Caught bare and vulnerable, they argue heatedly. Later, they decide to masturbate openly in front of each other, leading to a mutual yearning for more. Just as they're about to act on their desires, they're interrupted, leaving them hungry for another chance to indulge their taboo fantasies.