When London Sleeps

The young Lord Sloane marries a musical comedy actress, much to his parents' disappointment. The actress's brother-in-law gets into betting difficulties so she obtains money from her husband to help him.

'Woman shelters epileptic son when he kills prostitute.' (British Film Catalogue)

In Dijon, Inspector Hanaud investigates Betty Harlowe after her uncle, Boris Waberski, accuses her of poisoning her wealthy aunt for an inheritance. While an initial autopsy finds nothing, Hanaud discovers the use of Strophanthus Hispidus—a rare, undetectable poison applied via an antique arrow. Amidst a flurry of "poison pen" letters and deception, Hanaud proves the murder occurred despite the lack of conventional medical evidence.

'A clerk embezzles money to pay for a girl's singing lessons in Rome.' (British Film Institute)

Black Coffee is a 1931 British detective film directed by Leslie S. Hiscott. Based on the 1930 play Black Coffee by Agatha Christie featuring her famous private detective Hercule Poirot, it stars Austin Trevor as Poirot with Richard Cooper playing his companion Captain Hastings. A famous but hated scientist, Sir Amory, is killed during a house party, and some of his valuable papers are missing. Poirot rapidly determines the cause of death and the motive, then narrows down the suspects to the most likely culprit.

Belgian sleuth Hercule Poirot investigates a mysterious suicide at a country house.

Sisters are music-hall performers. One loves the other's fiancé and decides to quit the show, but the other runs into an old flame and new relations develop.

When she learns that the Nazis have confiscated Leonardo da Vinci's masterpiece Mona Lisa, art-loving South American wanna-be spy Tamara (Jane Carr) journeys to Lisbon to snoop for the Germans in return for the iconic painting. But bumbling Nazi agents, Allied counterspies and multiple copies of the artwork soon confound her attempts at espionage.

The film stars Edmund Gwenn, who plays a chemist, whose son Lawrence (played by Barry MacKay) is attacked on a train. He appears to have shot the man.

Jewel thieves kill a rich widow and frame a fake medium.

Holmes goes on the trail of a Rembrandt painting, stolen by a drug-addicted artist.

A detective goes undercover and poses as a criminal to try to discover the reasons behind the murder of a night club owner.

Lt. Cmdr. Good is a naval officer who goes on an extensive search for his long-lost friend who mysteriously disappeared on a tropical island.

Mr Pastry's social climbing daughter, president of a society for the rehabilitation for ex-convicts, hides the fact that her father is himself a prisoner. When he is released and arrives at her home, she panics and locks him in the attic until a job can be found for him, preferably abroad!

The captain of a British cargo ship shanghais a group of sabateurs, unaware that the daughter of the ship’s owner is among them.