A government agent sets out to capture a gang of airmail bandits who use a death ray to blow planes out of the sky.
Practical Effects
The 'death ray' looks like a floor lamp with ambitions.
Acting
Bruce Bennett commits harder than this script deserves.

Director
Sam Katzman
Trivia, insights & behind the scenes
Sam Katzman directed over 230 films, mostly B-pictures cranked out in weeks. This was Tuesday for him.
The 'death ray' paranoia tapped into real 1930s fears of aerial warfare—less sci-fi, more pre-WWII anxiety dressing.