On an abnormally normal day for the doctor there comes somepony at the door, as he goes to see just who it was, he finds nopony what so ever. Curious as to why somepony would do such a thing, he turns to find Derpy, whom he had just been talking to, nowhere to be found. He investigates the room she was in before vanishing when he is pulled from the room and sent into a rift. Landing in an unfamiliar world with no way in sight to get home, he must find a way to save his love and find his way home.