Over the past days of World Conflict II, Germany, determined for any final grasp to defeat the allied powers, regarded to their final remaining weapons and troopers. The German Navy and the final remaining U-Boats have been fashioned collectively for one determined final mission – a mission to assault the USA Homeland, often known as Operation Seawolf. Captain Hans Kessler, a grizzled submarine commander from each World Wars, is named into service to make one mission successful and assist flip the tide of the struggle.