Equestria has frozen over, and the ponies are forced to live in underground facilities. Twilight Sparkle, Rainbow Dash, and Fluttershy are the last of the elements of harmony. The prison like home has driven all ponies to be bitter to one another, and now there is no friendship among others. What lies beyond the Facility of Ponyville, and what has changed on the surface? The last element bearers set out to find answers.