A doctor, though not having finished his studies, earns a living providing medical advice. A former nurse enters the stage, saying she hears voices from "the other world". At first, they can exploit gullible victims without problems, but soon the authorities begin showing in these quacks.
An old man escapes from a retirement home to impersonate a man who has died in his arms and told him he never went home to his new bride after the first World War.
Mad scientist Professor Frogg invites an unsuspecting friend into his futuristic mansion. He begins to tell him about plans to control Earth with the help of invaders from another planet.
