Running fast to save his life, Aldwyn ducks into an unusual pet store. Moments later Jack, a young wizard in training, comes in to choose a magical animal to be his familiar. Aldwyn's always been clever. But magical? Jack thinks so - and Aldwyn is happy to play along. He just has to convince the other familiars - the know-it-all blue jay Skylar and the friendly tree frog Gilbert - that he's the powerful cat he claims to be. Then the unthinkable happens. Jack and two other young wizards are captured by the evil queen of Vastia!