The Battle Of River Plate - Ten days before World War II, Germany's crack battleship, Admiral Graf Spee sails with orders to carry out action against Allied merchant shipping in the South Atlantic. Captained by Hans Langsdorff (Peter Finch) Graf Spee with her superior speed, sinks ship after ship.

Meanwhile, the net is tightening round the German Killer. Outwitted by British Intelligence, the Germans are convinced Graf Spee is trapped by a massive naval force. The captain evacuates his men and as a succession of explosions light the night, Graf Spee becomes a burning inferno, Langsdorff has scuttled the pride of the German fleet, in the belief that he was facing impossible odds. The killer of the Atlantic would strike no more.

In Which We Serve - The story of the Royal Navy destroyer HMS Torrin and those that serve in her. In the Battle of Crete she is dive-bombed while streaming at thirty knots and goes down fighting. We see, through the memories of her survivors, the ordeals, achievements and gallantry of HMS Torrin from her commissioning until she sinks in her last battle.

We Dive At Dawn - When all leave is cancelled for the crew of the British submarine Sea Tiger, the men know they are in for an important mission.

Their target: the German warship Brandenburg, located in the Baltic and surrounded by mines and escorting destroyers. Picking up three German airmen who have been shot down, they learn the exact position of the Brandenburg, and head for it. Now they must face the mines, the destroyers, and perhaps the biggest threat of all - the Brandenburg's own deadly torpedoes!