When Max wishes for his annoying little brother, Felix, to be whisked away by unknown evil forces, he gets more than he bargained for. Armed only with a magic marker and a hope of undoing what he has just done, he sets out on a perilous journey across deserts, eerie lantern-lit bogs, ancient temples and lush green forests to get his younger sibling back. Along the way Max gains the powers to manipulate his environment and overcome seemingly impossible obstacles.