Amy Armstrong is having a perfectly normal life as a perfectly normal fourteen-year-old thief and proprietor of stolen goods in 1995 California, until a talking cat interrupts her latest break-in and transports her a thousand years into the future to a burglary operation that crosses space and time. She explores the inside of an asteroid belonging to a mysterious creature called The Lady, makes friends with the crew of intelligent cats and dogs, and meets a teenage boy from 1889. The search for a way home takes Amy through Victorian London, to an orbiting prison run by artificial lizards, and...

Amy and her friends explore the inside of the strange spacecraft given to them by the mysterious Lady. Discovering damage to the ship, Amy travels to Tau Ceti Epsilon, the center of cat civilization in the year 3317.