Winthrop Clavering a mystery writer, is continually ridiculed for the fiction of the crimes he depicts, so he decides to solve a case himself. To that end, he determines to find the slayer of Pedro Alvarez, who whispered before dying that his assailant was a woman. At the City Refuge for Homeless Girls, Clavering obtains the assistance of Margaret Holt, the sister of Victor Holt, the district attorney. Margaret, it is revealed, was abducted by Juanita, a member of a gang of white slavers led by Alvarez. After escaping from a brothel, Margaret became Alvarez' stenographer, hoping to gather secret information on his gang. While searching for evidence, Margaret was surprised by Alvarez, whom she killed. Finally, Clavering captures the gang, clears Margaret, and encourages her romance with cub reporter Jack Howell. This film is presumably lost.
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 man breaks into a flat, startling the occupant. They argue about the new girlfriend of the 'burglar', who's come to get her stuff. Then a third man bursts out of the cupboard...
A man tries to burgle his own safe on the same night that a professional criminal attempts it.
Kid Kelly, a gangster in New York's Lower East Side, attempts to rob Goldberg's millinery store. When the police arrive, Flo Haines, who had come to the building to look at an apartment, hides. When the police find her, they charge her with the crime, but the Kid turns himself over to the law instead. After his release, he again meets Flo, who works in an artificial-flower factory by day and at Reverend Roberts' relief mission by night. The Kid soon falls in love with Flo, and his jealous sweetheart Mamie tricks her into coming to her apartment, where she drugs her and turns her over to Joe Carelli, the flower factory's lustful owner. The Kid saves Flo, but when Carelli is found murdered the next day, he is arrested for the crime. The confession of Annie, who had stabbed Carelli in a jealous rage, frees The Kid, who reforms himself and marries Flo.
A trusted laundromat employee is sent to the bank to cash the payroll but is robbed by a couple of thugs then locked up in a closet and cuffed with shirts hand and foot. One thug writes a note on an old cuff to his friend to meet him at the station. When the landlady comes in, she takes that cuff with other wash and sends it at once to the laundry where its discovery makes possible not only the rescue of the prisoner and the capture of the outlaws, who are cuffed in steel.
A blackmailed ex-thief is executed for a murder he didn't commit.
A reporter and a detective team up to solve the murder of a nightclub singer who had been involved in a divorce scandal.
When his buddy is murdered a dedicated cop, goes after the gang responsible.
Humanitarian Roberta induces her father to hire former convict, Bill, as his gardener. When she leaves on vacation, Bill steals her jewelry and eventually sells a brooch to her boyfriend, Richard, who unknowingly gives it to her as a present.
Suspected of smuggling, Eileen Caverly boards the Connecticut Limited where she befriends Helen Raymond who is traveling with her new husband Bob Guerton. Helen confides they had recently married impulsively, the service performed by a justice of the peace. Shortly after their talk the train is wrecked, Helen is killed and Bob injured. Seizing the opportunity Eileen poses as Bob's wife to avoid capture. Bob’s mother visits him, learning that they were married by a Justice of the Peace, insists they be married by a minister. Bob becomes successful with Eileen’s support, and they have a son. All is well until Cromwel Crow, who knows of Eileen's past, is released from jail. Demanding $5000 for his silence they struggle, Bob enters and in the ensuing fight, Crow is killed. Eileen's secret dies with her adversary, freeing her to continue her life.
A chorus girl breaks a deal with her boss by marrying the rich man she was supposed to ruin.
Much-married and once successful writer Henry T. Aythecliff, now heavily in debt, summons his three ex-wives to his mansion, planning to extort a sizable amount of money from each. When he is discovered dead, clues indicate that each of his four wives had motive and opportunity to murder him, and a young detective must sift through some ingeniously devised evidence.
A clairvoyant warns divorcée Adrienne Van Couver to beware of Robert Warren, whom she has spurned. The warning comes true after Adrienne's ex-husband, John Dean, meets Warren, an old friend, and tells him the story of his marriage to Adrienne. He tells how her frivolity and malice caused both the death of their only child, and after their divorce John’s romance with Lorraine Barkley who left him for lawyer Henry Armstrong. Enraged by Adrienne's treachery, Warren goes to her apartment and kills her. Dean arrives after Warren has fled and is arrested for the murder. Believing that Dean is innocent, Lorraine persuades Armstrong to defend him. After a last-minute confession by John is cleared.
A condemned man uses hypnotism on a judge. After the man's death, the judge finds himself acting like the condemned man.
A man assists a woman to dispose of the body of her stepfather....
The saga of Alias Jimmy Valentine began with the O. Henry story "A Retrieved Reformation". This surprise-ending tale was adapted into a stage play by Paul Armstrong, which subsequently was adapted to film several times
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.
Saxophone player Clyde meets a woman named Flowers, and teaches her to dance. He later discovers that gangster boss "Blackjack" is also in love with her. "Blackjack" is also battling gang boss Mike Luego in a violent turf war.
Valentin Marquis de Sombreiul, alias Monsieur Simon, is known as the great master because he is the leader of a band of Parisian Apaches who mete out their own private justice to individuals who have violated their code in a secret tribunal known as the court of St. Simon. In an effort to cure Eugene, a young American longing for excitement, Valentin induces the young man to witness these horrors with the result that the youth is drawn into the Apache gang and sentenced to prison for one of their crimes. Later, after the master has disbanded his secret society and married Virginia Arlen, a girl from an aristocratic family, he discovers to his horror that the boy whose life he has ruined is his wife's brother. It is then up to him to try and make amends.