Eugenie McCorkle thinks she's the only normal member of her very odd family. But when she dyes her hair green, just before her twelfth birthday, she sets off a strange chain of events. Together with her half-dragon grandmother and her brother Hamish (who can talk to birds), Eugenie uncovers a mystery from the past. But evil Uncle Weaver - the black sheep of the family - has his own plans for the powers unleashed by Eugenie...