Nancy Kulp

Two identical twin sisters, separated at birth by their parents' divorce, are reunited years later at a summer camp, where they scheme to bring their parents back together. The girls, one of whom has been living with their mother and the other with their father, switch places after camp and go to work on their plan, the first objective being to scare off a gold-digger pursuing their father.

Linus and David Larrabee are the two sons of a very wealthy family. Linus is all work – busily running the family corporate empire, he has no time for a wife and family. David is all play – technically he is employed by the family business, but never shows up for work, spends all his time entertaining, and has been married and divorced three times. Meanwhile, Sabrina Fairchild is the young, shy, and awkward daughter of the household chauffeur, who goes away to Paris for two years, and returns to capture David's attention, while falling in love with Linus.

When Madame Adelaide Bonfamille leaves her fortune to Duchess and her children—Bonfamille’s beloved family of cats—the butler plots to steal the money and kidnaps the legatees, leaving them out on a country road. All seems lost until the wily Thomas O’Malley Cat and his jazz-playing alley cats come to the aristocats’ rescue.