Pilot Ace Drummond investigates international crime.
EPISODE 1
Where East Meets West
International Airways is attacked by the mysterious villain known only as the Dragon, destroying every plane enroute to the airport. Ace Drummond is sent to investigate the situation.
EPISODE 2
The Invisible Enemy
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.
EPISODE 3
The Doorway of Doom
EPISODE 4
The Radio Riddle
Ace Drummond orchestrates a rescue attempt for the archaeologist that the Dragon is holding hostage, and the Dragon aims to stop him at all costs.
EPISODE 5
Bullets of Sand
EPISODE 6
Evil Spirits
John "Dusty" King
Jean Rogers
Noah Beery Jr.
Guy Bates Post
Lon Chaney Jr.
Jackie Morrow
Selmer Jackson
Robert Warwick
James B. Leong
Chester Gan
Arthur Loft