As the newest member of the BSC, Dawn is eager to prove herself. So when a big job comes along, she jumps at the chance to show everyone what shes made of. The Barretts are even more challenging than Dawn expected. The house is a mess, Mrs. Barrett is unreliable and the kids are out of control. Dawn knows shes a great baby-sitter, but this is impossible! She only knows one thing for surea member of the BSC never gives up!