In 2047, a group of astronauts are sent to investigate and salvage the starship 'Event Horizon' which disappeared mysteriously 7 years before on its maiden voyage. With its return, the crew of the 'Lewis and Clark' discovers the real truth behind the disappearance of the 'Event Horizon' – and something even more terrifying.
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'.