After six months training in her royal duties in Canterlot, the newly crowned princess Twilight Sparkle is ready to return to Ponyville. But when a experimental teleportation spell causes an unknown pony to appear in Ponyville things get out of hoof.

When Twilight Sparkle begins having nightmares about a pony she has never met she seeks Zecora's help. only to find that there are some things in Equestria even magic and science can not explain.