The story is about David Gates, a cryptozoologist who is hired to film his investigations. One of them being a mysterious town where all of its inhabitants have vanished without a trace. David uncovers far more than he anticipated and puts his own life at risk. Afterwards David begins to feel the bizarre effects from the town within his own biology. Meanwhile he is sent by his investor to film an exorcism. Something that is completely outside of his expertise. Already suffering from unnatural symptoms, David, who is now reluctantly in the presence of pure evil, fears that multiple inhuman forces are tearing him apart from inside.
Ninety nine percent of the worlds has been destroyed by a bio-chemical war. Technology is obsolete and the soil has been polluted leaving people with barely any food. The survivors try to continue on by hunting and consuming the living dead which has dire results as the dead flesh begins to mutate with the bio-chemical still in the atmosphere. People's digestive systems begin to evolve and force their way out of victims mouths to search for food on their own. Mutations spiral out of control into a grotesque finale.