Roy Scheider lends his intense talent taut action-adventure from director William Friedkin. Set on the edge of a South American jungle, a desperate four-man team, led by Scheider, must transport a volatile cargo of nitroglycerine over 200 miles of treacherous terrain in order to stop a potentially disastrous oil fire. Enter into this potentially explosive mix of split-second strategy and jolting suspense set against an outstanding score by Tangerine Dream.