In 1942, Hitler's war machine seems unstoppable. The Germans invade the Soviet Union and the situation looks dire. To prevent further losses, the Allies are forced to help. Convoys of civilian cargo ships filled to the brim with war material begins the perilous journey to Murmansk and Arkhangelsk. 

Caught at sea without defense or war experience, civilian sailors come face to face with the German superior force in the brutal arctic sea. Now courage becomes their only lifeline!