Kristy's mom is getting married, and Kristy's a bridesmaid. The only trouble is, fourteen little kids are coming to the wedding, and they all need baby-sitters. Stacey, Claudia, Mary Anne, Dawn, and Kristy think they can handle fourteen kids. But that's before they spend five days changing diapers, stopping fights, solving mix-ups, righting wrongs ... and getting sick and tired of baby-sitting. One thing's for sure: this is a hectic way to have a...

Kristy and her brothers haven't seen their divorced father for years, when they receive the surprising news that he's getting married and wants them to travel to California for the wedding.