General Montgomery attacks Italy across the Strait of Messina. A landing is made at Salerno to coincide with Italy's surrender, after Italy's fleet surrenders at Malta. The Germans resist the Salerno landing strongly. After 7 days the Allies manage to push back the enemy and link up with British forces coming from the south. FDR, Churchill and Chiang Kai-Shek meet in Cairo.

This film recounts the air offensive against Nazi Germany after the RAF had successfully repulsed the Luftwaffe in the Battle of Britain. The first low-level bombing raid in Europe, the Ploesti raid of August, 1943, is shown in this installment, followed by a description of the "round the clock" bombing offensive, with the U.S. Eighth Air Force attacking Germany by day and RAF Bomber Command attacking at night.

Russian and American attitudes about fighting war are compared. The Germans surrender to Zhukov, and Eisenhower goes to Moscow. The Berlin Blockade is mentioned, and the UN founding conference is shown.