The Mystery of Lake Lethe

A poor man refrains from proposing to the woman he loves until he can secure the fortune left him by his uncle. Believing the treasure awaits in his uncle's abandoned mansion, he begins searching... only to uncover mystery, murder, and a killer ape.

Sonya, a Marseilles Cafe performer involved with a pack of thieves is rescued from her criminal life by a police official who sends her lover and partner in a knife-throwing act to jail and then tries to seduce her. Not submitting to the official's advances, she falls in love with an Apache dancer in Paris and works with him, holding her other admirer at a distance. The official is mysteriously killed, presumably by her lover, it then falls to Sonya to find the real felon.

Sentenced to be deported from Hawaii, Hung Chin Chung pledges twenty years of service to Henry Drew to escape the certain death that awaits him in China. Rage at his humiliation and inability to marry as a free man smolders in him throughout his servitude, near the end of which he sails to San Francisco with the Drew family. Also on board is Ralph Coolidge, who tries to retrieve from Drew his share of their gold mine, and who loves Drew's secretary, Mary-Will Tellfair. Shortly after their arrival, Henry Drew is murdered; suspicion falls on Ralph, the owner of the murder weapon, a curious Chinese dagger; but subsequent events lead Hung Chin Chung to confess to the crime.

A condemned man uses hypnotism on a judge. After the man's death, the judge finds himself acting like the condemned man.

Harry Larrabee, a young playwright, lives in the same studio apartment house with Carolyn Vaughn, a painter of miniatures, with whom he falls in love. "The Wolf," a famous criminal, supposed to be dead, returns and communicates with his wife, a friend of Carolyn's. He forces his wife and her brother to aid him in a plot to rob Carolyn of her valuable jewels. Harry, by one of his famous "inspirations," discovers that a crime is being committed, rescues Carolyn and bears her away in a taxicab. He is himself suspected of the crime, but, undisturbed by the web of circumstance by which he is entangled, his wonderful inspirations give him the key to the conspiracy which led up to the crime. In an unusual and powerful finale the guilty parties fight among themselves and justice triumphs in an exciting climax.

After finding her sister dead, Maria tries to find out who or what is to blame.

A rousing fusion of satire, mystery and action. Aristrocrat Ambrose Applejohn is aching for excitement. He gets more than he bargained for when two Russian thieves, Anna Valeska and her partner Borolsky, arrive at the mansion one dark night.

A multimillionaire is murdered, and his will leaves all his money to a beautiful young blonde. The murdered man's son thinks something is fishy, and a homicide cop sets out to find out who was behind the man's death. Complications ensue.

The story starts with a prologue set in 1889 in which we see an angry husband murdering his wife's lover. The setting then moves to 1929, just as an antiques dealer Philip Vantine (John St. Polis) has finished moving into the same house where the 1889 murder occurred.

Within less than five months after the mysterious death of her mother, Adene Maintland wakes in the early morning to learn that her father has also died silently and mysteriously. She suspects her step-father, Wainwright.

Anne Cabell, working as a dancer at a nightclub goes to confront a man who is blackmailing her friend with incriminating letters. When he is killed, she comes under suspicion of murder. However it turns out that he was a foreign spy, and she had nothing to do with his slaying.

A wealthy young club man is engaged to a senator’s daughter but becomes involved with a gang of blackmailers.

Feature version of the 1945 American serial film of the same name, composed for export only, never seen in the USA and now evidently a long-lost film.

This silent mystery is considered a lost film.

Sherlock Holmes solves a murder rooted in the Mormon trek of 1850.

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 woman's cheating husband is murdered at their country estate, and suspicion immediately falls on her.

When Harlan Carr inherited his Uncle Ebenezer's "Jack-O Lantern" house and too his bride there to live, he found himself the unwilling host of a score of hungry relatives within a week. Soon, strange things began to happen. A black cat made the house his headquarters, unexplained sounds could be heard and a shadowy figure floated through the halls at night.

Millionaire Joshua Barker insists that his daughter, Faith, must marry Phil Langhorne, a man that neither likes, and Faith is in love with and eager to marry her childhood sweetheart, John Temple.

12 part silent serial- 1. The Castle of Fear 2. The Spider's Web 3. The Vanishing Heiress 4. The Room Without a Door 5. Shots in the Dark 6. Ambushed 7. The Secret of the Coin 8. Into the Web 9. The Baited Trap 10. The Lady in White 11. The Closing Web 12. The Final Reckoning. A prequel to The Ace of Scotland Yard.