Carrol Jo Hummer (Jan-Michael Vincent) is discharged from the Air Force and starts up his own one-man trucking business. But then the "mob" which runs the business moves in with heavy muscle and insists that he carries contraband goods. A classic road movie almost impossible to find. Fast , edge of the seat toughness, pulling no punches. The spectacular road battles are amongst the most exciting ever seen on screen and the climax is thrilling and explosive.