A suburban woman fights to be believed as she finds herself stalked by a threatening figure who returns to her house night after night. When she can't get help from those around her, she is forced to take matters into her own hands.
On Kate's 21st birthday camping trip, her friends encounter Piglet, a monstrous human-pig hybrid who brutally murders one of them. They uncover Piglet's origins and Kate must confront her past to survive the relentless killer.