It is 1942, and war-battered London plays host to the imposing figure of General "Ike" Eisenhower on a vital mission for the US army. Kay Summersby, an ambulance driver, is chosen to be his aide. Charmed by Ike's affable and disarming nature she accompanies him during the North African campaign against Rommel and the war in Europe against Nazi Germany. A secret affair unfolds between the General and his attractive aide. Rumours of Ike's infidelity reach across the ocean to Washington and to his wife. Can Kay hold on to the man she loves?