Eragon: A Different Story: Synopsis

A new and improved version of Eragon. [I dunno about that]
A dark evil is rising.
But with all of the Riders gone and a race destroyed.
No one can stop it.
Until Eragon the last Rider and Jenna the last of the Benders set off to avenge their foster father's death along with a story teller called Brom, which leads them face to face the evil itself.