Kat Shaw's summer is looking up. Finally a new boy on the block looks set to break her no-snogging record - until a family crisis whisks her off to a mansion in California with only a yappy rat-dog and an ageing dive for company. But when it comes to crises, fate has a real Oscar-winner in store. Suddenly it's "Goodbye, skateboard - Hello, Hollywood!" and Kat finds herself facing a whole new challenge as the world's most reluctant movie star.