In the midst of World War II, the battle under the sea rages and the Nazis have the upper hand as the Allies are unable to crack their war codes. However, after a wrecked U-boat sends out an SOS signal, the Allies realise this is their chance to seize the 'enigma coding machine'.
When Russia's first nuclear submarine malfunctions on its maiden voyage, the crew must race to save the ship and prevent a nuclear disaster.
The story of the breakout of the German battleship Bismarck—accompanied by the heavy cruiser Prinz Eugen—during the early days of World War II. The Bismarck and her sister ship, Tirpitz, were the most powerful battleships in the European theater of World War II. The British Navy must find and destroy Bismarck before it can escape into the convoy lanes to inflict severe damage on the cargo shipping which was the lifeblood of the British Isles. With eight 15 inch guns, it was capable of destroying every ship in a convoy while remaining beyond the range of all Royal Navy warships.
Merchant Marine sailors Joe Rossi (Humphrey Bogart) and Steve Jarvis (Raymond Massey) are charged with getting a supply vessel to Russian allies as part of a sea convoy. When the group of ships comes under attack from a German U-boat, Rossi and Jarvis navigate through dangerous waters to evade Nazi naval forces. Though their mission across the Atlantic is extremely treacherous, they are motivated by the opportunity to strike back at the Germans, who sank one of their earlier ships.
Having taken the blame for an accident beyond his control, pilot Mike Hogan has been on administrative leave indefinitely; however when the airline is desperately short of staff, he is offered to be first officer and accepts, without enthusiasm, received with disdain by the well-connected commander. Surprisingly his come-back proves less then routine, as the captain gets knocked out and a collision as well as a murderer being transported by police require courageous action from Mike, his crew and several passengers, including soccer star Ty Conner.
During a whaling expedition in the late 1800's, the aging Captain Bering Joy (Lionel Barrymore) and his new first mate, Dan Lunceford (Richard Widmark) engage in a battle of wills concerning the education of the captain's struggling grandson.
For more than four centuries, young Portuguese fishermen have followed their fathers to the Grand Banks of Newfoundland and in recent years to Greenland’s banks to fish the cold waters for cod. Intrepid men, set off for the Banks on schooners under full sail, then adrift in a flat-bottomed dory, they bait the hundred of hooks of their long-line, oblivious to fog, rain and Arctic wind, they labour 18 hours a day and haul up cod by the score.