Bored and irritated with each other, step-siblings Michelle and her brother turn to self-pleasure for relief. Michelle teases herself in the bathroom, fingering her wet pussy and stroking her curves, but her brother walks in, catching her in the act. They argue, but later, they explore their mutual attraction, Michelle admiring her brother's thick cock as he jerks off. Just as they're about to take it further, someone interrupts, leaving them frustrated and unfulfilled.