While baby-sitting for practical joker Betsy Sobak, Claudia breaks her leg as a result of one of Betsy's pranks and wants to quit the club, prompting Kristy and the other baby-sitters to teach Betsy a lesson.
When her friends from the Baby-sitters Club come for a visit in NYC, Stacey realizes they feel out of place in the big city and must find a way to keep the weekend from becoming a complete disaster.