Snow-covered hills at Berchtesgaden. Inside a building, Hitler plans Operation Barbarossa (invasion of the Soviet Union) with his General staff. Among others present are, General Heinz Wilhelm Guderian; Colonel General Franz Halder and Colonel General Ludwig Beck. Animated map shows planned offensive against the Soviet Union and thence through the Caucauses and into Mideast oil fields. Further grand schemes are illustrated. Ocean supply lines needing to be choked off at Murmansk, Russia, and in the Mediterranean are diagrammed. German U-boat bases are shown on the map. View of a U-boat displaying skull and cross bones on conning tower. U-boat reinforced concrete pens. Map showing U-boat missions.