Ravi has just moved to the United States from India and has always been at the top of his class; Joe has lived in the same town his whole life and has learning problems--but when their lives intersect in the first week of fifth grade they are brought together by a common enemy (the biggest bully in their class) and the need to take control of their lives.

All her life, Aurora has heard stories about Heidi and all the good luck she brought Aurora's family. Aurora, though, doesn't feel very lucky. The kids at school think she's weird. And she's starting to think her mom thinks she's weird, too. Especially compared to Heidi. On the eve of a visit from Heidi, more bad luck hits Aurora's family. There's a fire in their attic, destroying a good part of their house. And, even worse, Aurora's beloved dog goes...