After stealing the Crucible Dr. Samuel Hayden sends the Doom Marine somewhere he can't interfere. Neither of them expected that place to be Equestria. Or that demons would show up there too. The ponies are about to see a lot of ripping and tearing.
Derpy and her daughter Dinky have to fight their way through zombies and even the army by the sides of the four survivors of the zombie apocalypse in search of an escape.
As the last Big Daddy left in all of Rapture, loneliness had become a constant companion of mine. No memories, no voice, not even a face that I could call my own. I thought it would be like this for my entire existence in Rapture... At least, until
A meteor impacts the nation of Equestria, Planet Equis. Tranquility is quickly snuffed out when a poison begins to spread violently. The Princesses cannot combat this unknown threat, as no knowledge of it exists. Help comes from an unexpected source.