Posing as a wealthy Parisian, Mercadet fleeces friends and casual acquaintances alike. He is forced into this life of crime to keep up appearances, so that his daughter Julie can land herself a rich husband.

Mystery writer Marian Carstairs is hard at work trying to finish her latest novel. Her three children meanwhile are entertaining themselves by trying to solve a murder in their own neighborhood. In between gathering clues, the kids play matchmaker by trying to fix up their widowed mom with the handsome detective investigating the case.

Baby Dumpling, the six-year-old son of Blondie and Dagwood Bumstead disappears from sight during his first day at school. While Dagwood frantically combs the city in search of the boy, Baby Dumpling spents a nice, safe afternoon with poor little rich girl Melinda Mason, who with her new playmate's help arises from her sickbed to walk across the room for the first time in months.

George Harland and his daughter Pat are photographers who discover a wild boy in the jungle. When Pat becomes lost, Bomba brings her back, overcoming plagues of locusts, forest fires and fierce wild animals.

A wheelchair-bound woman manipulates her family to a point where they suspect she may be unhinged.