The German submarine U-Boat threat was a dangerous game of sink or swim against British and American forces. From convoys to merchants the battle saw over 100,000 lives lost at sea in a brutal and ...

The Nazis have the upper edge as the Allies are unable to crack their war codes. That is, until a wrecked U-boat sends out an SOS signal, and the Allies realize this is their chance to seize the ...

Ellen is ordered to spy on the German naval officer Hans. He is scheduled to serve as Chief Officer aboard the submarine U 864, which has been given a secret mission. Against her will, Ellen falls ...