Former World War One ace Captain Bob Dayton (Donald Woods), with his buddy, Lieutenant Ed Carey (Robert Armstrong), operates Sky Raiders Inc., an airplane manufacturer. Dayton has perfected a fast pursuit plane intended for the U.S. Army. But Felix Lynx (Eduardo Ciannelli), an agent for a foreign government, has a spy in the Sky Raiders office that keeps him informed about the new airplane. The inspiration for Indiana Jones? An exciting 40s serial with lots of amazing aerial stunts including an auto-gyro!