In a post-apocalyptic future, Dr. Paul Dean is a scientist on the run after he becomes infected by a deadly parasite that he was forced to create for a sinister corporation. Fleeing across the desolate wasteland, he is pursued by a ruthless government agent intent on capturing him and securing the parasite for military use. Seeking refuge, Paul encounters Patricia Wells, a tough and resourceful woman eking out a survival in a small desert town. As Paul struggles to find a cure for the infection ravaging his body, he unwittingly releases the lethal organism into the community, endangering everyone around him.

Desperate to stop the parasite from spreading, Paul must confront not only the relentless agent hunting him but also the increasingly aggressive creature growing within him. As tension escalates and the body count rises, alliances form and shatter under the strain of survival. Conflict between personal salvation and collective safety intensifies, leading to a harrowing battle against the biological terror. Amidst deteriorating conditions and mounting paranoia, Paul and Patricia must find a way to outsmart their adversaries and contain the nightmarish threat before it annihilates them all. The struggle underscores humanity's fragile existence in a world where scientific hubris has unleashed unstoppable horrors.