This 13 chapter serial is based on the comic strip character Ace Drummond created by Eddie Rickenbacker. Ace is a 'G-Man of the sky' working out of Washington D.C. He is sent to Mongolia to find out why a mysterious villain known only as 'The Dragon' is trying to prevent the newly formed International Airways from setting up an airport there. Ace meets Peggy Trainor (Jean Rogers) who is searching for her archaeologist father who has disappeared. Together they search for answers to the puzzles.

Ace Drummond

Peggy Trainor

Jerry

Kai-Chek

The Grand Lama

Henchman Ivan

William Meredith, Sr.

Winston

Henry Kee

Chang-Ho

Dr. Trainor

Bauer

Paul Wyckoff
October 18, 1936

Ace Drummond

Peggy Trainor

Jerry

Kai-Chek

The Grand Lama

Henchman Ivan

William Meredith, Sr.

Winston

Henry Kee

Chang-Ho

Dr. Trainor

Bauer

Paul Wyckoff
