Dixie and the zombie rebellion

Just when everything was going so perfectly for Dixie back at school, her old zombie friends, Gonner and Isis, show up with bad news: The wicked Nebulosa is leading the zombies in a rebellion against all mortals so that she can finally achieve her dream of conquering the world. As bearer of the magical Azoth, only Dixie can stop her, but in a final battle between zombies and mortals, which side will Dixie ultimately choose?