When two German fighter pilots are flung into the terrible siege of Stalingrad during the Second World War, they discover that the conflict in the air is as fierce as in the frozen streets below. These young men must somehow survive long enough to learn the skills of air combat so that they can challenge their powerful enemy and protect those they have come to love and respect.

As madness threatens to overtake one of the traumatized pilots, they try every tactic to overcome the bitter odds trapping their comrades in the Stalingrad pocket. A story of determination and the discovery of personal strength, Sundog shows the importance of duty and loyalty and friendship at a time when the entire world had turned to war.