Film opens with map showing lower France and Mediterranean areas.However, it shows images covering primarily the French Riviera (or Côte d'Azur) under German occupation. German infantry march along a road. A flight of German FW-190 Fighter airplanes flies inland from the Mediterranean Sea and crosses low above a harbor. Change of scene shows a single fighter plane buzzing the Marseille Port. (It looks like a P-47 with invasion stripes. But It does not draw any anti-aircraft fire.) Camera tracks it from vantage point at the Marseille Basilica, high above the harbor. Brief view of the Basilica as the aircraft passes. A glimpse of the Marseille Port below from the Basilica. View of the Marseille Transporter Bridge designed by Ferdinand Arnodin and built in 1905. (It was destroyed after these films were made, in 1944.) A German soldier peering through binoculars in front of a 2 cm Flak 30/38/Flakvierling, quad anti-aircraft gun position. Another one is seen in the background. Several more views of German anti-aircraft and other gun emplacements protecting the Marseille Port, including 88mm guns, heavy machine guns, and coastal defense guns. Scene shifts to German soldiers marching near the French Riviera beach and palm trees. Italian cavalry are seen riding in formation, ostensibly from Nice. Italian soldiers in trucks are being transported along the Riviera waterfront. A road sign points toward Toulon at 6.3 kilometers away. (So this location is probably near Sanary-sur-Mer.) View of the Toulon harbor, where the French battleship Provence, scuttled in 1942, is seen settled low in the water at a pier.
Montage of scenes arranged to convey essence of British efforts to support Malta by ship convoys through the Mediterranean Sea during World War 2. Animated map showing Axis aircraft over the supply routes. A British convoy in the Mediterranean. A sailor scanning for German aircraft. Formation of German Dornier Do-17 bombers overhead. Glimpse in plane's cockpit. On a British ship underway, an antiaircraft gun crew takes action and fires. Insert of a German JU-88 bomber in flight. Antiaircraft gunfire downing a German plane that crashes into the sea. Inserted headon view of a German Me-109 in flight. British gunner rotates to vertical following an attacking airplane overhead (not seen). Inserted view of airplanes in a dogfight at high altitude generating contrails. An aircraft crashing into the sea. Gunners on an Allied aircraft carrier firing at German airplanes. A Junkers Ju-88 viewed from deck of a ship as it drops a bomb. A Ju-88 shot down and crashing into the sea. Supply ship arriving at Malta, passing by its fortifications. Men in small boats surround the ship, at anchor. Bags of food supplies piled up on a wharf and filling an open boat. Local people lined up on the pier and picking up supplies.
German soldiers battle against the British in the Mediterranean Sea during World War II. A map shows Gibraltar, Algiers in Algeria, Tunis and German advancement. A fleet of German aircraft in flight. British ships in the Mediterranean Sea. German ships fire torpedoes at British ships. An explosion on a British ship. German aircraft drop bombs over British ships. The Germans on a ship deck. The British ship sinking.
Italian Savoia-Marchetti SM.79 Sparviero torpedo bombers in flight over Sicily, Italy during World War 2. An Italian officer briefs crew members of torpedo and fighter aircraft before they leave for a mission in the Mediterranean. The flight crew dons equipment and boards an aircraft. Two pet dogs, a Boxer and an Alsatian, follow crew to bottom hatch of an airplane. The Boxer jumps in easily, but the Alsatian has difficulty. Pilots in the cockpits of aircraft flying at low altitude over the Mediterranean Sea. An Allied convoy is spotted underway. A battle ensues, with Italian bombers and torpedo planes attacking the ships, while the latter mount a strong defense with antiaircraft fire. Flak bursts leave black smoke in the sky. Italian planes releasing torpedoes. Smoke rising from two ships hit during the engagement.
An Italian spots a British submarine from a ship's crow nest in the Mediterranean Sea. Motor torpedo boats rush to the scene. Men work on sonar to listen for submarine. Motor torpedo and flying boat drop depth charges and explosions occur.
Ships passing through Mediterranean Sea with rocky islands in background. Warships in line. Warships at harbor. Destroyer underway in harbor. Battleship in harbor at anchor. Battleship's turret guns.