When Trixie used a teleportation spell, she hoped to disappear away from Ponyville, but not go so far as to go to an alternate timeline. And in this alternative timeline, Nightmare Moon rules Equestria. As if that weren't the worst, Nightmare Moon ends up liking Trixie and wants her to stay in the castle to keep her company. Now, Trixie needs to find a way to return home. But will she really want to go back to the original Equestria, especially after being humiliated by Twilight?