At a ritzy beauty salon, while a mud pack is on her face, a wealthy socialite invites Thelma and Patsy, two salon attendants, to a party, mistakenly thinking they are social acquaintances whom she wants to entertain a visiting count. Just before our working-class pair arrives at the party, the hostess is called away to see to an ill dog. Thelma tries to behave in a refined way, but Patsy, with a head full of practical jokes and a bra filled with trick gadgets, turns the party on its head. The butler calls the hostess back to her home. Is Thelma and Patsy's moment in high society coming to a crashing end?