16 years have passed since Martin, Alan and The Mane Six saved Equestria and all of creation from certain destruction. Martin & Applejack have raised their daughter Mary in the light of both worlds to be strong and honest. Mary loves her family dearly but always feels like she doesn't belong anywhere and lacks self confidence. But she has her friends, Scootaloo, Applebloom, Sweetie Belle, Dinky Hooves and Alan's brash yet fun loving son Dominic backing her up whenever she needs them. But a new enemy surfaces beyond the borders of Celestia's kingdom which could plunge Equestria and the mysterious Waste's into an all out war.

WILL THESE NEW HEROES SAVE THE DAY?

WILL EQUESTRIA FALL INTO WAR?

AND WHO IS THE BLACK KING, RULER OF THE WASTES?