In the scorching desert landscape of Hat Creek, a sinister presence stirs, unleashing a reign of terror on the local population. An archaeologist's excavation has unearthed an ancient creature, which crash-lands in a nearby town, sparking a series of gruesome disappearances and animal killings. As Sheriff Annie Flynn investigates the chaos, she must confront an extraterrestrial threat unlike any other, with a deadly grasp that defies human understanding.