It's 1914 and war has gripped the world... Lieutenant Thomas Knowlton awakes after a night of heavy drinking with Hans Erhardt, a German P.O.W who has been interned at the neutral port of Manila.Much to Knowlton's dismay, he soon realises he's missed his Submarine. It had left without him!Baker an inexperienced sailor and friend of Knowlton's, covers for his absence. However, without Knowlton to do his duty, the submarine sinks to the ocean floor,...