September 1942 Having done her duty as an ATS girl, Lance Corporal Ruth Cox is moving on to new challenges and has signed up to work as a gunner girl, helping to keep the skies clear of enemy planes and safe for our brave boys in blue. But on the way to her new barracks, Ruth meets handsome Sargeant Sam Johnson. Ruth isn't looking for romance, and she knows she has a dangerous job ahead, but there is a connection between...