Mallory's dad has lost his job and the eight Pike kids decide to help out by getting jobs of their own. Mallory gets a baby-sitting job with a wealthy family.
Follows the adventures of Kristy and the other members of the Baby-sitters Club as they deal with crank calls, uncontrollable two-year-olds, wild pets, and parents who do not always tell the truth.
Ashley thinks Claudia has artistic talent and should spend more time on her "calling" and forget about the Babysitters Club. Claudia has to decide between the Baby-sitters Club and Ashley.
Claudia's participation in the Baby-sitters Club is curtailed when Grandmother Mimi suffers a stroke and Claudia finds herself "Mimi-sitting" and fighting more frequently with her sister.