Gracie Gates, the lustful step-sister, finds her brother Peter Green in the throes of passion with a blow-up doll. Instead of being shocked, she joins in, eager to feel his thick cock inside her. Gracie's big tits bounce as she rides Peter, her tight pussy squeezing his shaft. She sucks him off, slurping his pre-cum, then takes his load on her face and tits in a hot creampie finish. The taboo threesome leaves them both breathless and wanting more.