Dr. Decker returns from Africa after a year, presumed dead. In that year, he discovered a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga', to 'get rid of them'. Then Konga grows to gigantic proportions and wreaks havoc all over London!
When a robbery at a racetrack goes wrong ex-con Johnny Bannion is caught and sent back to prison. He won't tell the rest of the gang where he has stashed the loot leading to violent consequences.
An escaped murderer flees France to England, where he forces an ex-forger, now established as a reputable estate owner, and the forger's daughter who knew nothing of his past, to counterfeit 5-pound notes for mass distribution around the countryside.
A yacht in the English Channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?
A man tells his wife that the police are after him for having killed a bookie during an alcoholic binge, but that he is innocent and is being framed for the murder. The wife and her brother hide him and try to find out who the real killer was. The more they investigate, the more holes they begin to find in the husband's story.
Routine tests on a traffic accident victim lead to shocking discoveries when the man's blood is found to be unidentifiable and x-rays reveal a disc embedded in his brain. His fabulous tale of being an escaped prisoner from an alien spaceship takes a turn for the sinister when the hospital staff realise that they're under a state of siege...
An atomic scientist is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. He teams up with a reporter to stop his evil double from destroying his experiments in artificial tungsten.
A writer of murder mysteries finds himself caught up in a string of murders in London.
Two men working on the docks close to London's Tower Bridge find the body of an unidentified man floating in the Thames. The police later identify the body to be that of a diamond courier from Holland. The police have to find his murderer, as well as the missing diamonds he was carrying.
While perusing the books of an engineering company, fastidious auditor Frank Manning encounters rum goings on when he is approached by a woman who claiming she is being blackmailed. She begs him to find certain letters and he eventually agrees. Having obtained the letters, he takes them to a specified address where, to his horror, he finds a man, fully clothed, dead in the bath.
Film producer Reggie Wilson is worried he may have a dual personality. Fleeing Hollywood, he finds himself in England and married to the studio boss's daughter after which he quickly rises through the studio ranks. Then the letters begin to appear from a lovesick American actress who wants to know why he has thrown her over.
Culver is a psychiatrist who uses hypnotism to treat his patients. When Carpenter, a test pilot, comes to see him complaining of blackouts that make his job difficult, Culver tries to mesmerise him into killing his wife.
Three teenagers encounter a ghost who is in limbo until he retrieves his lost head. They do their parts to help him find it.
Professional killer Kersten arrives in England and is hired by Donald Edwards to murder his wife Helene. But Helene's lover Robert Vaughan discovers the plot and he trails Kersten and Edwards to a country cottage.
A greedy woman tries to poison her nephew's bride in a dark mansion.
Scotland Yard is called in when the effigy used in a Guy Fawkes Day celebration turns out to be the burned corpse of a real man.
Arson is the way out for a failing cosmetics company.
A young woman commits suicide. Her sister is not ready to let the death go without someone answering a few questions. Namely, was it really suicide, and where is the large amount of money her sister withdrew from the bank the day before her death.
Zerrin had just married her husband and was not wanted by her mother-in-law. One day, while they are fighting with her husband, she loses her child and her husband goes to jail, and Zerrin goes to the mental hospital. Zerrin is a hot woman and runs away from the hospital. Meanwhile, they cross paths with a group of gangsters who have escaped from prison. Zerrin will now be the sex slave of gangsters.
A pair of hoodlums steal a car in which there is a note - a ransom letter - directed to a wealthy man whose daughter has just been kidnapped. The two gangsters stole the abductor's car and when they find the note, they decide to take advantage of the situation and collect the money.
