After an automobile accident, in which a man is unrecognizably burnt to a crisp, his wife's only able to confirm the corpse's identity by his talisman: a small, white spider. However, soon, there are more corpses walking around than at a comic con convention and every single one of them was a white spider sitting on or nearby the body.
The son of a British racehorse owner conspires with a bookie to ruin the odds of his father's thoroughbred winning an important event.
The supposedly dead and buried Mabuse returns to his criminal activities, as his longtime foe Police Inspector Lohmann, a dauntless girl reporter, and an American - who may be an FBI agent, or maybe a Chicago mobster - investigate a series of gruesome murders connected to a maximum security prison and involving a minister who has written a book called "The Anatomy Of The Devil".
The evil Dr. Mabuse develops a death ray with which he threatens the world.
A mineral is discovered which can turn metal to gold or humans into zombies. When the mineral is stolen, secret agents are sent in to get the mineral back!
An Australian woman arrives in London to search for her sister who she finds is involved with a heroin smuggling gang. The gang itself is under attack from an unknown rival, who is methodically assassinating them with a shot to the head.
Police try to track down a hooded serial killer who murders his victims with a combination of acid and poison gas
A former district officer is assigned to work on a team of diamond prospectors, who are busy double crossing each other until they are blown up having found bullion.
A strangler is loose on a British estate, and he not only strangles his victims but brands an "M" onto their foreheads before he decapitates them.
Strange things happen in a revue theatre. The dancer Maria seems to be hunted by an invisible admirer. When the body of a probable FBI agent is found in a trunk the police asks FBI man Joe Como for help. Como gets interested in the revue theatre and an ominous transport firm soon. When he is receiving mysterious threatening letters he is sure that Dr. Mabuse has risen again. But what is going on at "Enterprise X" so that both the goverment and the mad genius in crime are interested in it?
A group of hooded vigilantes hang wrong-doers with a rope stolen from Scotland Yard's Black Museum.
Scotland Yard is after a homicidal maniac called The Blue Hand, which is what he uses to kill his victims.
A man is found dead in a London hotel. The knife is still firmly stuck in the victim's chest, and Inspector Perkins strangely finds a glass eye in his jacket pocket. Kurt after that a second, mysterious murder happens: A city-famous dancer of the Las Vegas Girls, who perform at the London Odeon Theater, is poisoned. Is there a connection between the pretty dancer and the hotel guest? Inspector Perkins and his colleagues are pressed for time. The "man with the glass eye" strikes deadly again and again. A first clue leads Scotland Yard to a billiard club, where one has to show a glass eye as an admission ticket.
A woman is kidnapped and her identity is stolen by criminals attempting to collect her inheritance.
Rival gangsters from Chicago move to London and attempt to extort money from rich Britons.
A British colonial policeman in Africa investigates a murder in a hospital up river.
A serial killer who calls himself "The Laughing Corpse" dresses up in a skeleton costume and kills his victims with a poison-filled scorpion-shaped ring.
A Chinese cult bent on taking over the world uses an idol called The Golden Reptile that they believe can give them the power to achieve their goal.
The spirit of the evil Dr. Mabuse takes over the body of a famous professor. The professor/Dr. Mabuse then begins a new crime wave that terrorizes the city.
Mobsters conspire to loot another criminal's treasure secured in an enormous booby-trapped vault.