Policeman Jon Davis (Richard Arlen) informs "Foxy" Pattis (Chester Morris) at his shooting range, that his criminal father has died. Foxy blames all policemen, feeling they harassed him all his life and were responsible for his death. John Davis enlists and "Foxy" Pattis is drafted into the United States Army Air Forces where Foxy becomes the instructor at an aerial gunnery school. He makes life miserable for Jon, now a "Flying Sergeant" student, trying to force the former policeman to resign.