A female doctor struggling to find her daughter after a long lost World War II biological weapon explodes on a U.S. military base in Bulgaria, turning people into mutant zombies.

A small West Virginia town is hosting the legendary Mountain Man Festival on Halloween, where throngs of costumed party goers gather for a wild night of music and mischief. But an inbred family of hillbilly cannibals kill the fun when they trick and treat themselves to a group of visiting college students.

A quest that begins as a personal vendetta for the fierce Cimmerian warrior soon turns into an epic battle against hulking rivals, horrific monsters, and impossible odds, as Conan (Jason Momoa) realizes he is the only hope of saving the great nations of Hyboria from an encroaching reign of supernatural evil.

A group of people find themselves trapped in the backwoods of West Virginia, fighting for their lives against a group of vicious and horribly disfigured inbred cannibals.