When the Great War breaks out, brothers Roy and Monte Rutledge, each attending Oxford University, enlist with the Royal Flying Corps.

A pilot and a gold mine owner go up against the evil Black Hawk, who has invented a plane that can take off and land without using a runway.

Dick Morgan, formerly a professional crook, returns from the war as the "Ace" of his squadron.

After crashing his plane in the wilderness, a young airborne forest ranger is nursed back to health by a mountain man and his pretty daughter in this 18-chapter serial from Universal.

A Swahili village is affected by disease. The nearby diamond mine is using this as an excuse not to ship diamonds back to HQ in South Africa. The mine president has sent a doctor, his beautiful daughter and her caregiver to find out what is going on and to cure the natives. They are travelling on foot. To speed things up the president sends his ace flyer up...

Lieutenant Willis returns home from France, where he was an aviation ace, to find that his father has been falsely jailed for the murder of Judson Blair.

When the Great War breaks out, brothers Roy and Monte Rutledge, each attending Oxford University, enlist with the Royal Flying Corps.