A mysterious and invisible alien presence has landed in rural Texas and has started turning the nearby townspeople into white-faced, bloodthirsty killers. As the local authorities begin to investigate the strange and violent goings on, a photographer and his girlfriend find themselves trapped in the midst of an unexpected rural bloodbath, which seeks to turn them into another pair of bloodsuckers from outer space...

The gory ax-murder of one suburban Texas housewife by another is nearly as shocking as the excuse offered by the bespectacled defendant's attorney: self-defense.