A Miami cop finds out his wife has a female lover, so he starts crashing on the couch of his female partner. Meanwhile, a voodoo demon from Africa arrives among Miami's Nigerian community and begins decapitating some people and possessing others.

After a plague devastates mankind, survivors attempt to return to normalcy in an industrial "quarantine zone." One such survivor is handy with robotics, and after a violent home invasion, he decides to get revenge using his skills.