Eragon is based on the book series of the same name, part of a more extensive book series known as the Inheritance Cycle. In his homeland of Alagaesia, a farm boy named Eragon (Ed Speelers) happens upon a dragon's egg. This egg leads him on a journey to protect his home from tyrannical monarch Galbatorix (John Malkovitch) and a dark sorcerer named Durza (Robert Carlyle). However, Eragon discovers that the egg contains a mighty dragon named Saphira (Rachel Weisz) that he bonds with, and with the help of friends and family, Eragon will challenge the empire and do what he can to keep the dragon safe.