Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
Peter Fonda
Roger
Warren Oates
Frank
Loretta Swit
Alice
Lara Parker
Kelly
R.G. Armstrong
Sheriff Taylor
Clay Tanner
Delbert
Carol Blodgett
Ethel Henderson
Phil Hoover
Mechanic
