The residents of the small Suffolk town of Market Wetherby await the arrival of a group of yanks, the Eight Air Force 525 th Bomb Group. The older residents are wary but the young girls of the town can't wait to get to know the airmen better.

major Kiley is ordered to get into the the good books of Helen Dereham and soon finds himself charming the locals at a dinner party. Mario is getting in deep with Sid the spiv and M/Sgt Mac McGraw is getting friendly with the married Sally Bilton. Meanwhile relations between the yanks and the English soldiers are getting increasingly fractious.

Vi and Chuck get married but their happiness is short lived when on Chuck's next mission his plane is hit, Chuck is forced to bail out over Germany and Marino is killed.

Peter Mundy will soon be old enough to join up but his father would sooner be the one to go Elmer bets new boy Billy that he won't make it with Rosie. Major Kiley has agreed with Ronald Dereham that he won't see Helen again.

After taking part in a mission Jim Kiley has been shot and his life hangs in the balance. Stan Bilton has been killed killed on active service and his mother blames Mac and Sally. Meanwhile Elmer and Hymie get Peter drunk on a night out.

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.