Several months after a mysterious incident causes everypony in Equestria to inexplicably vanish into thin air, one earth pony scientist is left to cope with a now desolate, empty world. The sole things that drive him from day to day are three quests, to which he strives for relentlessly. The first, to learn the truth as to how things came to be this way. The second, discover whether or not he is indeed the sole existing citizen in Equestria… or perhaps the entire world. The final, find out how to bring them all back.