A white coated pegasus comes to Ponyville looking for a place to move into and a friend to make. Chaos happens and Twilgiht, Celestia, Luna, and the Cutie Mark Crusaders get caught up in it as the white pegasus who came to town becomes a lot of trouble and Luna's only guard from death by a unicorn that wants her soul. Celestia doesn't trust the pegasus and Twilight, and Luna aren't sure what to think but one thing is for sure. He's one son of a Devil.