One hundred years after great and terrible beasts destroy Equestria, ponies construct mighty steel golems to fight back and win against the evil consuming the world.
In the distant future of Equestria, Luna is recalled to Canterlot against her will to participate in a court case that will decide the future for sentient machines in Equestria.
One hundred thousand years forward in a magic-less future, museum employee Starlight travels across the industrial country of Teton to locate the first unicorn born in millenia. What she will find, however, is far beyond her imagination.