Twilight Sparkle has lost her memory and no matter what she does she can't seem to remember what happened in the last two weeks since she awoke. During that time, however, zombies have broken out in Ponyville and no one seems to understand where they came from. Gathering courage from each other, everypony struggles to survive as they try to figure out what happened to cause the undead to rise, as well as figure out a plan to stop them for good. Will they manage to figure out what happened and save Equestria? Find out now.