"The invasion begins at night, with German cruisers slipping into harbor, and soon the Nazis occupy all of Norway... At Vemork, an industrial fortress high above a dizzying gorge, they gain access to an essential ingredient for the weapon that could end World War II: Hitler's very own nuclear bomb. When the Allies discover the plans for the bomb, they agree Vemork must be destroyed. But after a British operation fails to stop the Nazis deadly designs,...