A bored Discord decides to bring some life into Ponyville and summons in, what he believes is, a mentally diabled man. Unknown to him and the rest of Equestria, that man is a undead serial killer: Jason Voorhees

When a creature arrives in Equestia named Freddy, everypony is unsure, except for four certain ponies.

As the undead come to feast upon Ponyville, Spike, Twilight, Rainbow, and many others are the first to fend them off. Are they the last?