Monte Bolstridge, the third, last in line to carry on the family name must marry in six months or his father's fortune will go to the servants. Overhead by a butler, he and the other servants plot to keep the young man from marrying. Their scheme falls on the shoulders of a servant whose daughter is coming from America. Cynthia Pratt travels to London to see her mother. No longer a skinny, ugly duckling but a matured beautiful swan, she's disguised into an overweight, plain Jane.