Summer has arrived! Sylvia's three-year-old brother is driving her crazy and her father has turned into an absentminded inventor. She longs for summer vacation as it used to be. With the discovery of an old family heirloom, her life changes. She meets a dragon and a cat and a motley band of thieves. Sylvia has spoken to animals all her life, but never ever has one talked back to her. And never ever has a fire-breathing creature needed her help so desperately!