Sadie Kurtzman

Six of the worlds scariest psychopaths escape from a local Asylum and proceed to unleash terror on the unsuspecting crowd of a Halloween Funhouse whose themed mazes are inspired by their various reigns of terror.

A crazed scientist experimenting with a rage virus on innocent victims in a laboratory in the woods. When his monstrous subjects escape and vultures devour their remains, they became mutations seeking to feed on humans.