A group of young men who work at an aviation factory begin to suspect that a doctor who runs an air ambulance service is secretly a spy transporting secret information from the plant to enemy agents.
Leo Gorcey
Muggs McGinnis
Bobby Jordan
Danny Graham
Joan Barclay
Helen Munson
Dave O'Brien
Tom Lawson
George Pembroke
Dr. Nagel
Sunshine Sammy Morrison
Scruno
David Gorcey
Peewee
Donald Haines
Skinny
