Sig, Artie, Kim, and Ras have same neighborhood and school, but nothing in common...until they sneak into the old abandoned corner house and each find a a picture of four dragons on a puzzle box. Strong magic draws the boys together, transform them, and transport them into worlds of heroes and dragons.

Shy realizes that she is lucky to be taken in by her grandparents after her father dies–but life above an antique store in Slade’s Corners, Wisconsin is not exactly the place a teenage girl wants to be. One day while going through boxes of her father’s boyhood stuff, she comes upon a rare old set of dragon puzzles … all of which are missing pieces. Her grandmother recalls the fantastic tales Shy's father would tell about his travels to lands of dragons and adventure. She always thought that these fantasies were inspired by the puzzles Shy has found. Shy realizes that by mixing and matching the different sets she can complete a single dragon puzzle that combines all of the others. Upon doing so she is whisked away to ancient Babylon where she must continue the duties of her father’s legacy as a servant to the dragon and a savior of the world.