In a parallel universe, nuclear explosions have ravaged Equestria and Earth, and beyond that, fusing the two worlds into one. A young earth pony named Snakebit, a greaser raised in a Human vault, makes his way across the wasteland in search of supplies, and eventually stumbles onto something bigger. He will uncover many ruins and oddities, face innumerable hardships, keep people together in dark times, and realize how much one pony can change, if he just tries his best... with a little help from his friends.