Plot Sypnosis:
The U.S. nuclear sub Tigerfish churns toward the North Pole. Its mission: rescue the imperiled members of weather outpost Ice Station Zebra. On board are Cmdr. Ferraday (Rock Hudson) and his crew, several unexpected arrivals with secret orders, and enough suspicions, suspense, and twists to make Ice Station Zebra an engrossing espionage thriller.