John Kirby (Brian Libby) is a murderer caught in a small Texas town by sheriff Dan Stevens (Chuck Norris). But when Kirby is shot and killed while trying to escape, his body falls into the hands of three doctors working on an experimental serum. The drug brings Kirby back to life and turns him into an indestructible, unstoppable killing machine. As the death toll rises swiftly, it is up to Stevens to find and stop Kirby before it is too late and he kills again.