An airliner, Flight 65 from Washington D.C., crashes on landing. When rescuers arrive they find the plane completely empty. The crew and passengers have all vanished – and the Falcon finds himself embarking on the strangest case he has ever investigated!

Among the missing passengers are top industrialist Stanley Palmer (Clarence Kolb) and his assistant Wally Fairchild (Robert E. Keane). The mystery deepens as the Palmer family start receiving ransom notes. Is the motive really kidnapping and extortion? Or has it got something to do with the big government war contract Palmer was pitching for?

As The Falcon goes searching for the truth he finds that Palmer's family all seem to have their own guilty secrets – and it's not long before the shooting starts…