Celestia, not Luna, is going evil, and she slowly is changing the land from a diarchy to a dictatorship. Luna is then approached by a group of ponies who have a secret order that wants to take rule out of the evil hoof of Celestia and give it to Luna. The order believes that the evil sun that has scorched the land should set, to make room for the cool sweet moon. Luna does not want to hurt her sister, but if she does not act now, who knows what her sister will turn Equestria into?