In the days of old, Nighmare Moon was banished and locked away in the moon. This much is certain. But what were the events leading up to that pivotal moment? Follow the story of a young squad in the Royal Guard who helped reclaim Equestria.

A few weeks after the royal wedding, Ponyville is gearing up for another visit from the Princess. However, when everypony disappears, Twilight is thrust into a stark reality. The fate of millions will ride on one decision. One battle. One unicorn.