Young Stern and his hot stepsister Harlet live in an expensive house in a rich neighborhood, their parents have been together only a couple of year's now are constantly away for business or may be pleasure trips. Some weeks ago Stern ordered online some Wonder Rub and today he hopes to fuck Harlet's best friend Veronica! In fact, this Wonder Rub can enlarge her small tits to a really huge size, but under one condition - someone of the opposite sex has to rub it on her tits!