Claudia takes a babysitting job looking after Betsy, a girl who is known for her practical jokes, and when one of Betsy's pranks results in a broken leg for Claudia, her babysitting days may be through.
Mallory has always wanted to be a member of the baby-sitters club. But the baby-sitters don't make it easy. Mallory begins to think she will start a new club.
Taking her overprotected young charge to the public park to broaden his horizons, fourteen-year-old baby sitter Enid enjoys unexpected friendships with a black saxophonist and a bag lady until she is charged with kidnapping.
Each member of the Baby-sitters Club sponsors a different girl in the Little Miss Stoneybrook competition, as Dawn also tries to cope with the break-up of her family after her parents are divorced.
Mary Anne feels she and Logan are spending too much time together so she suggests they see less of each other. Logan takes it the wrong way and this could be the end of Mary Anne and Logan.
Eleven-year-old Mallory is excited when it looks like she may be invited to join the Baby-sitters Club, but the baby-sitters have to learn some lessons in fairness first.