Thrills abound in this high-speed suspense yarn as Timothy Bottoms, a determined terrorist, begins to turn America's amusement parks into battlefields. The tension mounts as affable safety inspector George Segal attempts to track down the saboteur who as targeted the country's most popular rollercoaster, and its riders, for senseless destruction. The edge-of-the-seat excitement mounts as the battle of wits between Segal and Bottoms builds to an explosive climax. Co-starring Richard Widmark and Henry Fonda, the Jennings Lang production takes viewers on an unforgettable trip filled with sense-shattering twists and hairpin turns.