 In World War I, Captain Jerry Broun (Lloyd Hughes) feels he has to fight even though the United States has not yet entered the conflict.He enrols in Canada to fly as a pilot, with his adoring young half-brother Mickey (Delmar Watson) wanting to follow in his footsteps by becoming a pilot.Twenty years later, an older Michael (William Janney) attempts to enter the United States Army Air Corps (USAAC), but cannot overcome his boyhood fear of thunderstorms and is "washed out".