Old Silas Blackburn, a wealthy recluse, lives alone with his butler and his ward Katherine. One night, Katherine discovers Silas murdered in the room where three generations of Blackburns have mysteriously died. Silas' grandson Robert, whom Katherine loves, comes to visit the next day, suffering from amnesia.
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.
A vengeful antique dealer targets a dancer.
A doctor who cannot figure out what is wrong with his patient refers him to a detective, whom he hopes will be able to discern the cause of his mysterious illness.
Gangster boss Chuck Collins, despite his ruthlessness, is a basically decent fellow. Collins is plagued by a rival gang, led by deceptively boyish Curly, who has been stealing jewelry from the rich and famous. Collins tricks the other crooks into turning the gems over to him, intending to use them for his own profit. But sweet heroine Sunshine eventually persuades Collins and his cohorts to turn honest. Considered a lost film.
Farmer Allen Golyer finds his romance with his naïve sweetheart Susie usurped by Bertie Leon, a traveling salesman. Leon's slick, citified ways win the girl's heart and she leaves Golyer for him . Just then Golyer's friend, Colonel Blood, shows up with a sapling which he presents to him. Leon meanwhile leaves the little country village and is never heard from again. Susie, believing that he was fickle, agrees to marry Golyer. For the next 20 years they are happy, until Golyer goes to a seer.
A fancy masquerade party is the scene of a jewel robbery, and later several suspects in the robbery are discovered to be aboard the same train.
An actress poses as an heiress who died, and dies fighting blackmailing detectives in a burning house.
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.
A chorus girl breaks a deal with her boss by marrying the rich man she was supposed to ruin.
After old Trowbridge is mysteriously murdered, his nephew, Kane Langdon, is accused of the crime. Trowbridge's adopted daughter Alice makes every effort to prove Kane's innocence, but to no avail. When Kane escapes from the clutches of the law, Alice works with him to investigate the crime. They soon discover that Judge Hoyt, a great friend of Trowbridge and an ardent admirer of Alice, killed Trowbridge after forging the old man's will to read that Alice would only inherit his fortune if she married the judge. The judge, confronted with the accusation, becomes so unnerved that he confesses to the crime, and all ends happily with Alice in Kane's arms.
Richard Castleman, master of Winnecrest Hall in Louisiana, goes on a sea voyage recommended by his cousin and physician, Harry Chilton, who thereupon begins romancing Castleman's fiancée, Jeanne Lamont. When word arrives of Castleman's death, Chilton prepares to usurp the fortune and property of the dead man. Danny Rowland, who is found wounded by two wandering crooks, Dominie and The Squirrel, opportunely arrives at the estate seeking food and rest; and because of his resemblance to Castleman, he is welcomed as the master. Dominie is introduced as an English cleric and The Squirrel as an Italian count, while Danny falls in love with Jeanne, who believes him to be her fiancé. Chilton, however, suspects the trio and finally unmasks them. It then develops that Danny actually is Castleman, who had decided to reform the two men who befriended him and to expose the dishonesty of his cousin.
Retired actress poses as dresser to scare murderer into confessing and clearing her son.
One of a series of murder mysteries featuring the character Philo Vance. A Lost Movie
Doris Moore is a country girl who is conned by two crooks, Harry Leland and Pop Clark. They convince the naive girl to come with them to New York City and play the badger game on William Lake. But the intervention of Kate Fallon, who runs the gang's New York home, saves the innocent and traps the guilty. Instead of tricking Lake, Doris marries him.
Allayne Norman's husband Bruce is a gambler and drunkard who kills her artist cousin in an argument. Bruce flees the studio with Allayne and their son, and places his identifying documents in the pockets of an amnesiac man. To avoid the consequences of his actions, Allayne identifies the man as her husband. When Bruce returns, he tries to kill the man but is shot instead. The man regains his memory and is cleared of wrongdoing.
A reporter and a detective team up to solve the murder of a nightclub singer who had been involved in a divorce scandal.
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.
A DA's son gets involved in a drug-related murder, and it's up to his father and sister to get him out.
A young American man arrives in London to claim an estate he has inherited. One of the conditions is that he signs a paper stating he will never sell the estate. When he arrives at the estate he now owns, he runs into a ring of American gangsters there and discovers that the estate is the site of some buried pirate treasure.