A criminal gang pull off a big robbery, unaware the cash has been infected with toxic poison. The thieves hide out on a Thames houseboat and terrorise its female occupant, before they start dying.

Three children track their lost piano with one note missing through London.

A doctor in 1890 England, in order to cure his wife's "sick mind," injects her with snake venom. She later gives birth to a daughter whom the villagers call "The Devil's Baby" and in a fit of fear they end up burning the family's house down. Years later a Scotland Yard detective is sent to the village to investigate a rash of deaths that are caused by snakebite.

When the detective in charge of investigating a series of bank robberies starts to get too close to the culprits, they set up a blackmail scheme to warn him off. But when the crooks begin to fall out with each other, the police learn the truth.

Travel agent Emrys Jones and tourist Patricia Dainton fall in love in sunny Italy. Jones has led Dainton to believe that he's fabulously wealthy, and she has likewise deceived him. When the truth inevitably outs, it hardly matters, since hero and heroine now love each other for themselves rather than their bank accounts.

A British scientist is discovered to have been passing information to the Communists, then kills himself. Another scientist decides that they might have brainwashed him by a sensory deprivation technique, but he doesn’t know if someone really can be convinced to act against their strongest feelings. So he agrees to be the subject in an experiment in which others will try to make him stop loving his wife.

A young man's gambling losses cause him to become embroiled in a currency heist.

A young woman going to her wedding is waiting for her fiancée, a hood in custody, who is allowed by the police to go to his wedding.

A handsome gambler unwittingly becomes guardian of an orphaned, teenaged girl.

A gang of thieves led by American Eddy (Reed de Rouen) kill a security guard during a botched safe robbery and flee with his daughter (Leigh Madison) as a hostage. They hide out in a dangerously unstable old warehouse for a couple of days awaiting their getaway ship to sail, but Johnny (Kenneth Cope) falls for the girl - provoking a serious falling-out and a violent conclusion to the disastrous heist.