U.S. marshal Britt MacMasters returns from a mission to find his father wounded and his son kidnapped by the outlaw Jed Blake. Hot on their trail, Britt forms a posse with a gunslinging deputy and a stoic Pawnee tracker. But Jed and Britt tread dangerously close to the Red Desert’s Sioux territory.

Three friends making a web series about their town discover that their neighbors are being killed and replaced by creatures who are perfect copies of their victims.