 When a bus breaks down in a desert road surrounded by woods, the passenger Stacia decides to walk ahead 20 km to a motel. The travelers Birdy and Danny get a lift with the deranged serial-killer truck driver Jim Wheeler to return to a dinning place and are killed. The paranoid Marie and her husband stay in the bus with the driver waiting for help. When the sadistic serial-killer hitchhiker Walker comes to the bus, he kills the trio. Later in the motel, Stacia is disputed by the two psychopaths.