The Royal Guards of Canterlot have proven to be a let down time and time again. Perhaps what they need is a new trainer, possibly the only guard to hold his ground during the changeling invasion, if only he weren't so stubborn.
A mysterious figure, living in shadows, is attacking seemingly random crime leaders and leaving little to no trace. The Mane Six investigate, but they find a secret more startling than what they had ever imagined.
Canterlot High is known for it's out of the ordinary events brought about by unexpected individuals and now they will be welcoming a new edition to their line up - a young man who knows nothing but his name - Ragna.
After being betrayed by his son and sent soaring across the sky in an explosion, powerful enough to kill an ordinary man, Heihachi Mishima ends up in Equestria and wakes up to talking horses and a city wide invasion by the Changelings.