A deadly cybernetic organism wreaking havoc on America with the intent of detonating a nuclear device in Washington, D.C.

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...