In the aftermath of Fluttershy's giant-sized mishap, Applebloom finds herself and the rest of the Cutie Mark Crusaders helping to repair the damage around the Apple family farm. When it's decided that a new barn should be made out of new materials, Applebloom, Applejack and the rest of the Cutie Mark Crusaders are sent to the Big Apple to aquire the new supplies. All is not as it seems on the streets of Manehatten and soon Applebloom, Sweetiebelle and Scootaloo find themselves as part of a plot that threatens Equestria in a BIG way.