What happens if something different happened in Equestria's history? Something that created a villain that enters into the world of Twilight and friends. What happened that would cause such a change to the world the Mane 6 once knew?
It seems to be an ordinary day in the land of Equestria. However, that all comes to a grinding halt as a tyrannical super villain from a dystopian dimension invades. Having to work with their alternate versions in this alternate world, the Mane 6 must now work together to not only save both their own world and their alternates' world, but also the entire multiverse from the iron hoof of Empress Midnight.