A ride on the wrong train opens a whole new world for the CMC and two unlikely new friends when they meet a little tank engine and a her colorful coworkers.

Magic is returning to the human world, and with it comes the return of a evil more ancient and more feared than Discord or Tirek. Can the Hu-Mane six protect their world, or is darkness destined to return?

This is the story of how long ago, one unassuming farm-mare came to shape the history of all Equestria. How two races divided by war and fear were united by a forbidden love, and the struggle of a Unicorn to unite Equestria against the coming night.