Pauline, Petrova, and Posy Fossil are three little orphan girls adopted as babies by the eccentric Matthew Brown, an archaeologist. He then disappears on an expedition, leaving them in the care of his niece Sylvia and a nanny. Sylvia Brown struggles financially and must take in boarders to support them all. So with the support of the entire household, the girls decide to go on the stage to earn fame and fortune.