When her parents decide to get a divorce, Stacey must choose between staying in New York with her father or moving back to Stoneybrook with her mother.
Stacey invites her Baby-sitters Club friends to New York City for a long weekend full of activities but, much to her dismay, nothing turns out exactly as planned.
While helping Stacey move back into her house in Stoneybrook, Mallory and Claudia find an old trunk containing the diary of a girl who lived in Stacey's house in the 1890's.
When her mother's remarriage takes her family into a much wealthier neighborhood, thirteen-year-old Kristy finds herself surrounded by snobbish girls who compare clothes, make fun of the Baby-sitters Club, and insult her aging dog.
Kristy and the Baby-sitters Club plan a huge outing as a Mother's Day surprise for their clients, while Kristy's mother and stepfather have a surprise of their own in store for their family.
Eleven-year-old Mallory is excited when it looks like the eighth-grade girls will invite her to join their Baby-sitters Club and she might become best friends with the new African-American girl in the neighborhood, but the club members have to learn some lessons in fairness first.
Since her parents' divorce, Dawn lives in Connecticut with her mother while her brother and father are in California, but after a week's vacation in sunny, healthy southern California, Dawn isn't sure she wants to return to the East Coast.
