Tom Conway as the dashing playboy sleuth investigates the strange disappearance of several plane passengers and a large amount of cash. Jean Brooks, Elaine Shepard and Amelita Ward are among the others up to their necks in intrigue in this uneven mystery adventure.

Two industrialists disappear from an airplane while the plane is in the air. Also missing is $100,000. The Falcon investigates and discovers a plot against the government.