Bonnie Rotten's retiring from her kinky business and hanging over her studio to a new dominatrix. When Skin Diamond shows up to take over the reins, she gives Bonnie all kinds of disrespect. Mistress Rotten's got no choice but to drop this new girl to her knees and give her a lesson in manners. The two dommes whip out all their toys and techniques, stretching each other's holes and fucking to horny new heights of pleasure.