History of a Convoy: various views of ships of convoy coming into a port in Malta, Valetta. Various shots of damage to ships; one has a hole right through the bow. Three shots of Rock of Gibraltar, with convoy ships in foreground. Various views of convoy, freighters and escorts. Hurricanes take off from an aircraft carrier. Sequence on battle against raiding aircraft with several shots of antiaircraft defences firing, explosions in water. Night shots of gun flashes. More day shots of explosions in water, bombs, depth charges, with crews of ships in foreground. Final sequence of ships in the clear.