After a botched experiment involving both chaotic and standard magic, Twilight is stranded in a strange new land, her only help coming from a man who knows just as little about the world as she does. His blue clothing proudly displays the number 13.
The Vault Dweller. The Chosen One. The Lone Wanderer. The Courier. The Sole Survivor. Five of the most important people in remains of the United States of America. They each have the ability to change the world, and they are all brough to Equestria.