It's 1943 and the American Air Force has come to Market Weatherby, a small East Anglian town. The war weary British and the brash American GIs sometimes clash, but friendships are also forged.
Kiley tells Helen that after the war is over he wants to marry her; Peter officially joins the army after turning eighteen, Stan Bilton's mother kidnaps Sally's children Betty and William but Mac comes to the rescue. Letty goes into premature labour following an argument with her mother while after a gap of two months Chuck Ericson turns up alive and well.