Twilight has proven that with enough skill, magic involving the manipulation of time is indeed possible. We have seen two Twilights stand before one another, proving the possible existence of alternate universes'. In one such universe we find circumstances have vastly changed compared to the equestria were familiar with. Celestia is gone, and Nightmare Moon is the main ruling body in all the land. Many young ponies are not even certain if the light of dawn truly exists. We join a young unicorn known as Eden, as he joins a band of rebellious ponies brought together by fate, as they attempt to bring back the light in this world of darkness they were unfortunately born into.