King Sombra has returned from his defeat with one goal in mind-to finish what he started. He will stop at nothing to enslave the pony race, and he is succeeding. Night Glider is one of the only ponies who has yet to be captured. With the King's whereabouts currently unknown, she must face the realization that she may be forced to flee from her home at any given moment. But will she be able to escape, if it means leaving her friends? Or will she find a way to stop King Sombra, and save all of Equestria?