Young thief “The Bat” to distract an old bookseller, while his partner, “The Fly,” robs the till, purchases a book at random. Later, after a chase and escape to the Devil's Roost, Old Meg's refuge for thieves, he takes the book from his pocket and is about to throw it aside when the title attracts him, "Electricity Made Simple." Intrigued, the volume opens a new life to him and in time enables him to rescue the bookseller’s daughter Bess when she falls into trouble.

A man tries to burgle his own safe on the same night that a professional criminal attempts it.

A lady gambler shields her brother by claiming responsibility for a forgery he committed.

Publisher John Gillespie faces a financial crisis after his business partner skips town with all the firm's assets. Facing ruin, he reluctantly approaches a wealthy aunt for assistance but is met with a stony-faced refusal.

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 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.

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.

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Adventuress Leonie Sobatsky falls in love with a young man named Nevil Trask, and he with her. Trask doesn't know that Leonie is actually the head of an international smuggling ring--and Leonie doesn't know that Trask is an undercover Secret Service agent assigned to break up the ring and capture its head.

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

Ranch foreman Kerry has boarded with Kitty Tynan and her mother for five years in western Canada, his past is a mystery to everyone. He is actually an English aristocrat who lost all his money gambling and left the country in search of work. Kerry and his friend Horan own an option on property which crooked lawyer Burlingame is trying to secure. Burlingame's cohort Logan murders Hogan, and is caught and arrested. In the trial, Burlingame forces Kerry to admit his past, and succeeds in preventing Kerry from receiving bank assistance. When Kerry is shot, Kitty opens a letter from Kerry's wife that he had been carrying for five years, and cables her. Kerry's wife arrives and informs him that his last bet in England had turned out to be a $20,000 winner. Kerry is able to use the money just in time to foil Burlingame and secure the property, thus winning prosperity and the affections of his wife.