After living peacefully in the caverns of a small town, a stranded group of aliens turn deadly as they fight for their existence, betraying the compassionate chief of police who has protected them for 28 years.
Lonnie, a crop duster pilot, must lead a mismatched group of survivors to escape the deadly zombie horde after an experimental chemical, intended to control the invasive kudzu vine, transforms the citizens of Charleston, MS into zombies.