Each of the Baby sitters is helping prepare her own candidate for the Little Miss Stoneybrook contest. The competition is as fierce at the club as it is at the pageant.
Claudia regrets having to sit for Rosie, a seven-year-old genius with an incredibly obnoxious personality, until she realizes that Rosie doesn't have a friend in the world.
Karen and Addie are elected to the safety patrol. Karen is so proud to wear her badge and help keep the halls safe. but things are being stolen all over school.
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.
Stacey is excited about a visit from her New York friend, but when she arrives she acts as though she is all grown-up while Stacey and her Stoneybrook friends are still childish.