Now that Starlight Glimmer has returned to Equestria, that leaves Canterlot City without a protector. But after some deliberation Twilight and Sunset have chosen Trixie to take up the mantle of the Mare-Do-Well. At first Trixie is a fish out of water in the role of a hero, but slowly starts to become a natural. However Trixie soon gets overconfident from all the praise and fame she reserves as Mare-Do-Well. Trixie must learn the hard way that its the person not the suit that makes the heroes