Ellen McNulty loses her hamburger joint and goes to see her son, who marries a socialite at the same time. Due to her modest background and a case of mistaken identity, Ellen poses as the newlyweds' cook.
During the 1942 North African campaign, a British straggler manages to pass himself off as a waiter at the hotel commandeered as Rommel's headquarters. He has thoughts of assassinating Rommel but his cover may have an even better use.