When a photograph is taken at the scene of a murder, the camera is tossed out of a castle window to destroy the evidence and lands in the back of a passing car belonging to chemist John Gray who becomes amateur sleuth after developing the film and goes in search of the woman captured by the photograph. When the camera is stolen from his laboratory, Gray's suspicions are further aroused.
The wife of a candidate for Parliament is having an affair with the brother of her husband's rival. Her lover is running for election on a promise of building a railway that the community needs, but a wealthy landowner won't give permission for the railway to be built over his land. When the landowner is later found dead, suspicion falls on the adulterous candidate.
Holmes, retired to Sussex, is drawn into a last case when his arch enemy Moriarty arranges with an American gang to kill one John Douglas, a country gentleman with a mysterious past. Holmes' methods baffle Watson and Lestrade, but his results astonish them. In a long flashback, the victim's wife tells the story of the sinister Vermissa Valley.
A talented American actress enlists the help of the famed Belgian detective, Hercule Poirot, to negotiate a divorce from her husband, Lord Edgware, only to find him the next day stabbed to death in his library. Who would want him dead?
A retired Admiral steals jewels and is pursued by Spanish bandits.
When his father commits suicide a gentleman sets out to avenge the death on those who swindled him out of a fortune.
A group of people in an old dark house are terrorized by a mysterious hooded figure dressed in black who proceeds to kill them off one by one.
A killer distracts his victims with a hideous face
Two thieves are released from prison; one of them has an umbrella with jewels hidden in its handle.
Grace Milroy loses her job working at a factory. However, through a strange set of circumstances, she is taken on as housekeeper at the nearby Swinford Castle the home of the eccentric Duchess of Swinford.
Anton is an exiled Russian Grand-duke but works in a hotel as a night manager with tragic consequences.
The heir to a London department store must learn the business, but he must start off by working his way through the various menial jobs incognito first. However, a crooked manager has arranged, for a cracksman, just out of prison, to join the staff. Each is mistaken for the other.
A young woman begins to suspect that her wealthy, respectable husband may be an escaped Canadian murderer.
Lucy and her brother are struggling to make a go of their Soho pet shop, until Lucy meets Tom, a street singer.
A crime film directed by Guy Newall.
A young man impersonates a doctor.
A confirmed bachelor takes pity on a young woman and takes her to London.
Warm-hearted Cockneys stage a show to help a sick flower-seller.
An illegitimate war-baby adopted by a wealthy spinster.
A carefree aristocrat becomes involved with a woman suspected of murder, and assists her in proving her innocence.
