It is said we never know what we had, until we lose it. Then what would you do if not only that, but everything else would be lost forever? In a realm of existence where the light and the spirit of harmony has always resided as the strongest sources of everything, little could anypony foresee what nightmare life really could be. All it took, was for destiny to simply snap its fingers… and then we are all aware of the truth. Friendship, as well as love… all, eventually, comes to an end. These are the thoughts inside Twilight Sparkle's head, as she tries her best to lead her friends to survival during the worst nightmare imaginable to ponykind…