Donna Peyton (Donna Butterworth) is a ten-year-old girl who inherits a $30,000,000 fortune from her millionaire industrialist father. Per terms of his will, Donna must choose one of her six uncles (all played by Jerry Lewis) to become her new "father". Lewis also plays Willard Woodward, the family chauffeur who takes Donna to all of her uncles to stay with them for two weeks. Donna's uncles are: