When his buddy is murdered a dedicated cop, goes after the gang responsible.
Quarrier's rival Robert Lester schemes to have the engineer imprisoned, but the government pardons him so he can oversee a project vital to the country's growth. On the job, Quarrier once again meets Lester, who has tricked Alberta Bradley into selling him the land which is to be used for the project. Alberta still feels as if the land is her own, and threatens to kill the first of Quarrier's workers to swing a pick into it. Quarrier himself begins digging, and while she is unable to kill him, she vows to hate him forever. Gradually, their relationship softens, and the two come to love each other, with Alberta acknowledging the worth of Quarrier's project. Then, working together, they expose Lester to government authorities, since he has been plotting to keep all of the project's profits for himself.
Two apprentice violin makers are in love with the same girl, who happens to be the daughter of their mentor. A violin competition is scheduled, with the winner being the one who will marry the girl.
During World War I, Jeanette Gontreau becomes a "godmother" to three Allied soldiers imprisoned in a German camp. Describing herself as an old woman, she sends them cheerful letters and baskets of small gifts until one of the soldiers, Harry Ledyard, informs her that he has been released and will visit her in New York. Panic-stricken, Jeanette dons a wig and spectacles, and although she convinces Harry that she is old and gray, she soon falls in love with him. Harry worships his "godmother," and when secret service agents discover coded messages on her letters, he shields her by assuming the blame.
Jack Banning is a motorcycle cop by day and undercover agent by night. Disguising himself as "Strongarm Samson," Banning infiltrates a gang of smugglers headed by Richard Courtney.
During World War I, the beautiful and patriotic Leslie Selden is courted by two ardent admirers: Jack Wynn, a young man not yet taken by the draft, and Dr. Wolff, a Danish scientist who, in reality, is a German agent. When Jack learns that Wolff is masterminding a plot to bomb several munitions factories and destroy the water system in New York City, he goes to the spy's home and confronts him.
Marian Delmar, whose father has died without an estate, believes he has left her a settlement. The film follows Marian's journey as she navigates this belief and its potential consequences.
Noble born Mignon is stolen by a band of gypsies as a child. Her mother dies from grief and her father, unhinged by the double blow, gives up his ancestral home for the roaming life of a minstrel wandering from place to place in search of his child. Ill-treated by the gypsies in time she is rescued by traveling student Guglielno, with whom she falls in love. But he is enamored by the seductive actress Filina. Events come to a climax at a castle where all the participants meet, and drastic actions lead to near fatal consequences until all is resolved happily.
The husband of Mrs, Cranston is in tight quarters. He is caught both "short" in funds and in stock. In order that he may be able to cover up his margins, he decides to rob his wife's jewels. He plans to do so, but his wife anticipates him and steals the jewels herself, she having reason to believe that he would attempt the crime in a moment of weakness. The husband, when he finds that his wife's jewels are missing, raises a "hue and cry," and the police take up the case. After considerable investigation, the crime is traced to Mrs. Cranston.
A husband, jealous of his wife's flirtations with another man, hatches a plot to make his wife jealous.
The year is 1025 and Arnljot Sunvisson has returned home after a long journey to find that his betrothed has married another.
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The Marines are sent to rescue an American engineer in Nicaragua.
Until her rescue by a Salvation lass Margaret Reeves is trapped in white slavery. Upon her escape she is sent to a ranch where she falls in love and marries a cowboy, keeping her past secret. The man who once owned her appears and her husband learns the truth. He sends her from the house, but a young Indian mother engineers their reconciliation.
Blind Eleanor is cared for by her father's friend and eventual lover, Burton Lester, who arranges a sight-restoring operation. Upon recovering her sight, Eleanor discovers Burton is married, leading her to seek independence by completing her father's art and becoming a renowned artist in New York. After a misunderstanding involving a lost necklace and Burton's kindness to a friend, Eleanor reconciles with Burton and they become engaged.
A painter with syphilis infects his brother's wife and the child born of their affair.
Forced to abandon his ancestral castle, William Tudor accompanies his granddaughter Irene to London, while millionaire John Kershaw buys the castle for his son, "Kit." Irene joins the Gaiety Theatre company, hoping that her lover, Owen, who has gone to Africa, will return and purchase the castle from the Kershaws.
Young millionaire Turner Brooks is engaged to marry the poor but sweet Dora Carton however the maliciously rapacious Emma DeWolf wants to snag him for his money. Both before and after their marriage Emma tries every means to poison his mind against Dora but ultimately fails.
Harriet Field, living the Bohemian life in Greenwich Village, is tricked into a mock marriage with the unscrupulous Royal Blondin. She leaves him, taking a job as companion to the wealthy Nina Carter. Blondin reappears during a masquerade ball thrown by the Carters, makes advances to Nina but Harriet intervenes, bringing threats from Blondin to expose her past. When Nina’s faithless mother is killed in a car crash as she elopes with another man Richard Carter persuades Harriet to marry him for the sake of the children. She reveals all to her husband and Richard offers Blondin a hefty sum of money to stay out of Nina's life.
A man is so impressed with the philosophy of survival of the fittest and the rights of the strong against the weak that he tries to put these principles into practice in his own home.