When his father is murdered, erstwhile conman Nick Darrow asks the cops if he can go undercover to find the killers, and maybe even stop a crime ring that has been plaguing the police. The sister of another innocent victim joins him as they infiltrate the syndicate. Any wrong move could lead to instant death.

Commander Stevenson, suffering from unrequited love drives to the coast while very drunk and interrupts some smugglers and informs Scotland Yard.

After a socially conscience reporter adopts a slum orphan after she causes his brother's gang to go to prison.

In his dedicated pursuit of technology that will aid pilots to safely "fly blind" during adverse conditions, aerial innovator Ken Gordon is literally blinded in an accident, but this setback doesn't deter him from his goal.