Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.

Director: Jack Starrett

Cast: Peter Fonda, Warren Oates, Loretta Swit, Lara Parker, R.G. Armstrong, Clay Tanner, Carol Blodgett, Phil Hoover, Ricci Ware, Paul A. Partain, James N. Harrell, Karen Miller, Arkey Blue, Jack Starrett, Wes Bishop