Scarlett, the naughty step-sis, knows Peter's watching. She loves the thrill, the danger. As she plays with her tight, young pussy, she imagines Peter's thick cock stretching her. Peter, hidden, strokes his massive dick, watching Scarlett's every move. When Scarlett suggests they fuck right then, in the bathroom, Peter's resolve crumbles. But will they get caught before they can satisfy their forbidden desires?