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.
The members of the Baby-sitters Club think they can handle a young practical joker, but when one of her tricks causes Claudia to break her leg, the girls know they must teach their new charge a lesson.
When Mrs. Towne has an accident, Mary Anne is happy to do a few errands in exchange for sewing lessons. However, Mary Anne ends up doing everything for Mrs. Towne.
One day Karen hits a home run while playing softball so she starts calling herself Home Run Karen. That jinxes her, and soon she is not able to hit at all.
Dawn loves her life and stepfamily in Stoneybrook, but she misses her dad and brother in California. So she makes a decision -- she's going to move back to California for six months. But will she really return to Stoneybrook?.
During the summer before their seventh-grade year, Kristy, Mary Anne, Claudia, and Stacey tackle difficulties, including family problems, crushes, moving, and making new friends.
Flor, Ruby, Olivia, and Niki each find a special book on their doorstop, so they begin a book club in which they discover the title they are discussing relates to their summer experiences.
