A criminal mastermind uses a "death ray" machine to bring down government airplanes. Police dog, Silverstreak, aids in capturing the insane inventor of the machine. Masked aviator Pilot X is part of the "Air Hawks" gang who threaten the Baker Aircraft Company. Pilot X's actions are focused on stealing Baker's Aerometer, a revolutionary navigational instrument. World-famous aviatrix, Fawn Nesbitt, aids in combatting the attacks on Baker's aircraft.

Reparto

Kenneth Harlan

Blair Thompson

June Marlowe

Helen Carson

Arthur Rankin

Alfred Clark

William V. Mong

Professor Ross

Paul Weigel

Doc Carson

James Bradbury Jr.

Stuttering Slim

Edna Mae Cooper

Silver Streak