The Knife

Unscrupulous stockbroker George Howard convinces Robert Sterling that he is having an affair with Robert’s wife Helen aided by Robert’s former flame, Rita Lawson who wants him for herself. Though Robert believes the lie, divorcing Helen and gaining custody of their child, Helen still wants nothing to do with George. Mad with desire he kidnaps her daughter and demands Helen sleep with him for the girl’s safe return. Forced into a corner, Helen agrees but once her daughter is rescued a struggle ensues with George and he is shot dead. Helen, cleared of wrongdoing reunites with Robert who has realized his folly.

Hoping to reconcile her divorced parents, Norris Gradley remains with her father, Giles, after he marries another woman. The new Mrs. Gradley snubs and mistreats Norris, who earns money by disguising herself as a boy and playing the violin at dances. Claude Wolcott, employed by Giles to drill oil wells, falls in love with Norris.

When Bob Stratton returns from war in France, he soon discovers his ranch in the hands of a pretty girl, Mary Thorne, who explains that upon her father's death she became the sole owner. Thorne had been the executor of Stratton's will, and thinking that Bob had been killed, he had appropriated the place for himself.

Queen of the serials Pearl White gets herself into plenty of trouble up Klondike way as a young maiden named Tiger's Cub.

Serama, the consort of Lucifer, is driven from Paradise by the Archangel Michael, who commands Conscience to enter human souls to judge and punish them. In the main story, society girl Ruth Somers, a reincarnation of Serama, prepares to marry Cecil Brooke, the wealthiest man of her set. Her guardian, Dr. Norton, an incarnation of Lucifer, constantly accompanies her. Ruth is summoned to the Court of Conscience, where the witnesses, Lust, Avarice, Hate, Revenge and Vanity, testify about Ruth's history of seducing and abandoning men. This behavior resulted in the suicide of Madge, the lover of Ned Langley, whom Ruth enthralled and promised to marry, and also the deaths of two rivals for her love. Ruth is ordered back to earth to learn her sentence. When Ned interrupts the wedding, Ruth scorns him and he shoots himself. After Brooke leaves her, the Court dooms Ruth to live with the torment of remembrance. Ruth sends Norton away, and then kneels and repents.

John Weston leaves his wife and kids to marry adventuress Doris Clark and loses his mind when he realizes his mistake. A lost film.

When jealousy and envy lead Mary Vantyne to make a foolish decision and commit an impulsive act she sets off a series of events that nearly bring heartbreak to all those in her circle.

Sibling rivalry reaches dangerous heights when Ernesto suspects his wife Teodora of infidelity and his brother Severo, always resentful, fans his flames of jealousy. A series of events escalate to a duel and tragedy for all involved.

Fearing that his daughter Patsy is becoming a tomboy, John Primmel sends her to a friend back East for education and refinement. Arriving in New York, Patsy discovers that her father's friend has died and his apartment is now inhabited by his son, Dick Hewitt. Dick allows Patsy to stay, and they hire a maid, a housekeeper, and a butler.

Orphaned sisters Kate and Irene are separated as children, but each keeps half of their mother's wedding ring. Years later Irene marries John West, the head of a munitions camp. Kate, as fate would have it, happens to run the saloon in the camp and she and Irene become friends, but neither has any idea that the other is her long-lost sister. Matters take a turn for the worse, however, when Kate starts a romance with Cliff, Irene's adopted brother--a relationship that Irene strongly disapproves of. Complications ensue.

Don Sebastian, Portuguese Premier, sets a price on the head of royalist Ricardo Madons. Madons is in love with actress Lola Montez, whom Sebastian also adores. Madons abducts Lola and compels her to wed him, but then does not hold her to the compact. Lola, who is really in love with him, repents having sent for assistance when she was taken. When Sebastian's soldiers arrive, Lola is nearly slain when she stops a bullet meant for Madons. She escapes with Madons. The couple find happiness across the border.

Poverty forces Jill Mackie to work in a department store, where she falls in love with its owner, Charles Hemingway. They form an illicit alliance when Mrs. Hemingway refuses to grant Charles a divorce. Eventually, Hemingway becomes ill and dies, leaving Jill a sum of money. She leaves the country and falls in love with a young man to whom she confides her past, but breaks with him when he suggests that they make a similar arrangement.

Warren Schuyler, a wealthy widower in a small Eastern town, is highly-respected until the citizens are financially ruined by devaluation of the oil stock he sold them. His daughter Ellen's New York socialite fiance' Roy Phelps deserts her after her father dies, but fellow townsman John Barrett comes to her aid, and she marries him out of gratitude. After three years of irritation from her mother-in-law, she again meets Roy and is persuaded to leave her husband and child, but on perceiving Roy's fraudulence, and following a serious illness, she reunites with John.

Frenchman is engaged to marry South American heiress but a fortune-hunting friend disrupts the romance and marries the girl himself. She later realizes her mistake after her no-good husband has frittered away most of her fortune and she turns back to her first love.

A woman writes about her sister's tragedy, vowing to help others in similar situations: Because Bettina longs to leave her country home, her loving mother sends her and her serious-minded elder sister to London, accepting their aunt's invitation to visit and allow Bettina to be introduced to society. The girls' dressmaker steals the aunt's photograph and sends it to a woman who, disguised as their aunt, leads the girls to a brothel. After the elder sister escapes, aided by her concerned male companion, she races in a cab to her aunt's home, but is frustrated in her attempt to rescue Bettina by her aunt's infirm state, the inefficiency of the police, and her own inability to remember the location of the house. She finds her cab driver, but he is drunk and soon dies in an accident. After falling ill, the sister, convinced by a dream that Bettina has died, resolves to devote her life to saving other women.

After losing his factory job, virtuoso violinist Tommy Breen is inspired by June Norton, who lives in the same boardinghouse to write his song, "When You Smile with Your Eyes in Mine." Song publisher Simon Berg signs Tommy and the song becomes an enormous success. Success goes to Tommy’s head, he forgets June, surrounds himself with Broadway lowlife, spends extravagantly, and becomes infatuated with Mona Merwin, a musical comedy performer. He hits a rough patch, and June asks Berg to help her save Tommy from himself, so he decreases Tommy's royalty checks. Tommy's Broadway friends desert him when the checks stop coming. Now that Tommy has seen the error of his ways Berg sends him to a country cottage he purchased in Flatbush, where Tommy finds June waiting to marry him.

During World War I, Louise, a French girl, refuses to leave her château after the invading Germans take it over for use as their headquarters. A German officer, Col. von Knorr, makes repeated advances on her, but she rebuffs him.

Daniel Strathmore, has wealth and influence. He forms an infatuation for a beautiful adventuress and when a friend interferes he fights him and the friend is accidentally killed. Strathmore takes care of the friend's daughter, who later falls in love with him. She forgives the past and they marry. A lost film.

Former miner Daniel Slade becomes a wealthy investor and runs for political office, ultimately becoming the governor of his state. Daniel's wife, Mary, is unable to adjust to a life in high society, often embarrassing him in the presence of his colleagues. Temptation arrives in the form of Katherine Strickland, the daughter of a prominent senator, who takes Daniel away from his old-fashioned wife. However, Daniel eventually realizes how much he loves Mary, and he returns to her.

Conchita Cordova sings in the cathedral choir in her village of San Miguelito near the Rio Grande. Millionaire oil man John Rannie, whose oil fields have displaced the peasants, desires Conchita, and when he learns that her fiance, Juan Mendoza, has been employed by Adolf Wylie, a German spy, Rannie threatens to expose Juan unless Conchita gives herself to him.