Manos: The Hands of Fate (DVD)

Mike (Harold P. Warren) and Maggie (Diane Mahree), on a road trip with their daughter and family dog, take a wrong turn in Texas and become trapped at a weird lodge inhabited by a polygamous pagan cult. They soon find themselves in the middle of a power struggle between caretaker Torgo (John Reynolds), cult leader The Master (Tom Neyman), and two warring factions of the Master's wives.