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.

Once again Paula the ape woman is brought back to life, this time by a mad doctor and his disfigured assistant, who also kidnaps a nurse in order to have…

The Falcon is called to a young woman’s school to investigate a murder. When he arrives, another victim is discovered.

Old rivals are pitted against each other in basic training and fight for the same woman.

Gildersleeve, running for office, is aided by two ghosts and hindered by a mad scientist and an invisible woman.