who’s in charge of niece’s asses?

After Mackenzie Mace and Stella Elle find a secret tape in their stepdad’s clothes drawer, they can’t conceal their curiosity and immediately go downstairs to watch the VHS. But their step-uncle, Filthy Rich, catches the girls in the act and offers them an experience of their own. Ridiculously turned on, Mackenzie and Stella jump at the opportunity to feel the real thing.