Above Us the Waves

In the early years of the World War II, the Royal Navy is fighting a desperate battle to keep the Atlantic convoy routes open to supply the British Isles, facing the great danger posed by the many German warships, such as the Admiral Graf Spee, which are scouring the ocean for cargo ships to sink.

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.

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'.

The captain of a submarine sunk by the Japanese during WWII is finally given a chance to skipper another sub after a year of working a desk job. His singleminded determination for revenge against the destroyer that sunk his previous vessel puts his new crew in unneccessary danger.