When a passenger plane crash lands at a small airport, the emergency services are puzzled by the rather Marie Celeste scenario they discover. Where have the people gone? More importantly - where have $100,000 gone too? "Iris" (Jean Brooks) is the daughter of one of the missing men and she determines to engage the services of the "Falcon" (Tom Conway) to get to the bottom of this mystery. Before he can sink his teeth into the investigation though, her father reappears - all on his own - with a rather fantastic tale of mid-air hijackings and anti-government conspiracies. Is he telling the…