Stacey would be really excited over being hired for a week-long babysitting job in New York City if she could just get over the feeling that something is wrong with her relationship with Robert.
Dawn has moved away from Stoneybrook, Connecticut back to California but has not escaped having to write her autobiography for English class in which she shares memories of her friends and fellow baby-sitters on both coasts.
Stacey is hired to be a house-sitter and dog-walker while the Johanssens are away. When scary things start happening, the Baby-sitters are determined to solve this mystery.
Claudia enters a baking contest with the help of the other Baby-sitters, and has good chance of winning first place. When someone starts sabatoging the entries, they set out to solve the mystery before Claudia loses the bake-off.
Stacey is in love with her substitute math teacher. The other Baby-sitters think she is in way over her head. But Stacey thinks he pays extra attention to her. Can love conquer all?.
When Mary Anne receives a class assignment to write her autobiography she realizes she has a lot to say about her life, and tells about the loss of her mother, the time she wanted glasses, and meeting her grandmother again after eleven years.