With the Italians preparing to invade Egypt in the summer of 1940, the British army's Long Range Desert Group (LRDG) causes havoc far behind the front. But after an LRDG patrol is attacked, a tough New Zealander named Ron Moore leads the survivors barefoot through the desert, 300 miles from Allied lines.
By 1942, the fight between the Allies and the Axis for control of the Mediterranean is focused on tiny Malta. From there, British aircraft and submarines have been preying on enemy supply ships. When Hitler and Mussolini decide to crush Malta, Churchill dispatches a huge convoy to run the gauntlet of Axis air and naval power to reach the beleaguered island stronghold.
By Easter 1941, all that stands between Afrika Korps commander Erwin Rommel and Egypt's Suez Canal is Tobruk. Australia's Gen. Leslie Morshead and his defenders are ordered to hold the Libyan port for eight weeks while the defenses of Egypt can be strengthened. The "Rats of Tobruk" are convinced that if they fail, the war against Germany will be lost.