Keeker and her parents take Plum the pony and Goatie the goat to visit Keeker's aunt, uncle, and cousins in upstate New York, near the town of Sleepy Hollow, the site of a famous scary story.
When thirteen-year-old Connie spends two weeks with her eccentric and extremely wealthy great-aunt in Manhattan, a mystery is revealed that provides answers to some of the family's peculiarities.
Palmed off to relatives by his mother, eleven-year-old Dan runs away, and after a series of adventures with a family of ne'er-do-wells finally brings together the people who will become the family he's always dreamed of having.
Janie, twelve, lines up snow shoveling jobs for the other children in her Kid Power organization, but faces stiff competition from another group of shovelers.