Hearts of Men

Roman Regent of Police Baron Scarpia, loves Floria Tosca, a beautiful opera singer, but she is engaged to artist Maurice Saranof. Inspired by jealousy, Scarpia orders his soldiers to torture Saranof for information leading to the location of a friend suspected of being an Austrian spy. Forced to listen to Saranof's cries of pain, Tosca relents and reveals the whereabouts of the friend. Spurned by Saranof for her weakness, she must then negotiate with Scarpia for his life and offers herself to the baron in exchange for a phony execution. While embracing, Tosca stabs and kills Scarpia, who supposedly has arranged for blank bullets to be put in the soldiers' guns. In spite of the baron's promise, Saranof is executed, and Tosca, destroyed, climbs the prison wall. Shot while climbing, she falls to her death.

Jim Crosby, the product of a broken home, becomes a gangster and goes to prison. Meanwhile, Ann Payton, an heiress, converts a saloon into a mission. She is engaged to her father's secretary, Temple Vaughn, a gambler. Jim is released from prison and seeks shelter at the mission. Temple becomes indebted to gambler Phil Johnson and is forced to arrange a crooked poker game involving some of his wealthy friends. Jim overhears the plot and, realizing that Temple is Ann's fiancé, robs the poker game and puts a check Temple forged into Temple's own pocket.

Bessie Allen, a girl of the slums, dances in the streets of the Lower East Side of New York to the delight of the crowds. She becomes an orphan when her father, in a drunken stupor, kills her mother, and then himself. Bessie is knocked down by the car of Mrs. Latham, a society matron, who takes an interest in the girl and procures her a job as a dress model.

George Bell, a wild young man, lives with his rancher father, Thomas Bell, in Paradise Valley, California. When George sells his father's favorite horse, Mr. Bell turns him out, and George becomes a grain salesman in St. Louis. Meanwhile, Polly Martin lives with her father Bill, an ex-businessman who has sunk to day-labor because of his addiction to alcohol. Bill frequently abuses Polly, and when he falls to his death from a high girder, Polly becomes a nurse in the Salvation Army in St. Louis. George falls in love with Polly after he saves her from the advances of a drunk, but she will not marry him because of his wild past.

In 1869, enemies of railroad magnate Richard Strong attempt to ruin him. Richard thwarts them, largely through the help of Charles Dalton, but then Charles tries to seduce Elinor, Richard's wife. Although she rebuffs Charles, Richard accuses her of infidelity, so Elinor leaves him and goes to Paris. Richard follows her, but, caught in the middle of the 1870 riots, he cannot get near her. Charles, also in Paris, finally convinces Richard that nothing had come of his interest in Elinor, but Richard now believes that Elinor no longer loves him.

When penniless Westie Phillips briefly meets wealthy Martha Gorham, he falls in love, but Martha forgets the encounter. Harry Arnold, courting Martha, invites her out sailing and arranges to have the yacht wrecked near an uncharted island so that he can be alone with her until rescuers arrive. Meanwhile, without knowing Martha is on board, Westie secures a position on the yacht.

Although Kenneth Carmont and Esther Saunders, criminal Bert Saunders' sister, love each other, Esther marries detective Elwood Collins, who agrees to stop pursuing Bert if she accepts his proposal. One night, Kenneth and Esther hide Bert, who has escaped from the police. The same night, Kenneth's father is murdered. The evidence implicates Kenneth, who cannot supply his whereabouts at the time of the crime, as that would give away Bert. Esther cannot clear Kenneth for the same reason, and because it would let her husband know that she was with her former sweetheart.

After watching her mother die gradually from a broken heart, Roberta, an illegitimate child, decides to seek vengeance from her father Bradley, who ran away before she was born. Bradley is wealthy now, and so Roberta secures a job as his secretary and schemes to ruin his financial empire.

Finding himself penniless, Lawrence Ashmore, whose late father was ruined on the stock exchange, obtains a position as a reporter. Ashmore is assigned to investigate the reported fatal illness of Jesse Craven, one of Wall Street's financial monarchs.

For Nita Valyez, who is half-Spanish and half-Irish, Carlos represents potential violence and danger, two things to which she is both attracted and repelled. In contrast, she has only a passing interest in Big Jim, the town's honest, good-hearted sheriff. Then, after Carlos kills a faro dealer, he forces Nita to make an escape with him.

Helder is a happy family man, but one day his wife receives a letter from her brother Albert, who managed to escape from prison.

Karl Sterner falls for Jenny, a beautiful young woman from an impoverished background, and soon discovers that he cannot control her willful personality - which proves to cause many conflicts in their marriage.

Lisetta, the daughter of a fisherman, lives with her father and brother on the island of Capri. When Serrani, an Italian who has grown wealthy in New York, visits the island, he induces Lisetta to accompany him to America. There he abandons her and she becomes a dancer in an underworld café owned by "Dago" Joe, where she meets the artist Stanford Graham, who employs her as a model. Meanwhile, Lisetta's brother Domenic comes to New York to avenge his sister's dishonor.

Nancy Croyden, born of British nobility, languishes in the slums of New York after she elopes with Terrence Flynn, a groom on her father's estate. Nancy dies there, leaving behind a daughter, Susan Flynn, who grows to adulthood in the Bowery. In search of her family, Susan returns to England where she befriends Sir Bevis Neville, an English peer in disguise.

After his defeat at the hands of "Spider" Flynn, the welterweight champion of Europe, boxer Jimmie Dolan and his trainer, Thomas Jefferson Jones, leave for a principality near Paris. Having lost all their money on the fight, Jimmie accepts Count Conrad's offer to impersonate Prince Frederick in return for a large sum of money.