Twelve-year-old Olivia explores her new apartment building and finds a psychic, talking lizards, a shrunken ex-pirate, an exiled princess, ghosts, and other unusual characters.

While preparing for her participation in the princepessa's wedding, adjusting to being a student at a school for the arts, and dealing with surprise visitors at home, twelve-year-old Olivia ventures into the New York City subway tunnels in search of a man who might help her friend Frannie.