The Devil's Passkey

Gennaro, the son of Lucretia Borgia, lives unaware of the identity of his mother, who has married the Duke of Ferrara. After Lucretia's brother is killed by five conspirators, the fathers of Gennaro's dearest friends, Lucretia tortures the old men to death. Later, Gennaro and his companions journey to Lucretia's domain, and she sees her son for the first time. The Duke, who believes him to be her lover, poisons him, but Lucretia administers the antidote in time and saves his life. Then she schemes to poison her sons' five friends for their fathers' mistake.

Thomas Brainerd, Sr., as a prospector, is a dutiful and loving husband and father, but when he strikes gold he becomes obsessed with business and all his relationships suffer. Due to his inattention his wife nearly strays and his son bitter at his father lack of understanding becomes estranged. All end happily though.

Thinking that he has lost both his money and his beloved Nora's in a bad investment young New Yorker Ted Ewing arranges for his own murder. Suddenly he discovers the money is safe and has in fact doubled and sets out to cancel the contract on his life. But will he be able to do so in time?

A series of four 2-reelers based on the stories of George Bronson Howard, directed by Duke Worne, and starring Roy Stewart in the title role; each episode in the series was a story complete in itself. They are all presumably lost.

A young girl is presented, on her birthday, with a beautiful pearl necklace, the oldest heirloom in the family. Her maid carefully locks it up in the bureau drawer; but the next morning the necklace is missing. Naturally, the maid is accused, but she denies all knowledge of the whereabouts of the necklace, and puts the blame on the washerwoman, who had called at the time she was locking the jewels up; in consequence, the washerwoman is arrested, and her little son, thrown on his own resources, finds employment with the milkman. Two or three days later, while delivering milk at a fashionable residence, he sees a young lady walking in her sleep, out across the lawn, and follows her to a hollow tree, where he sees her dig up the jewels, which she has hidden on a previous somnambulistic promenade. Of course, this soon leads to the straightening out of all the difficulty. This short is presumably lost.

Andrew Gibson inherits problems when his father dies and leaves shares of his piano manufacturing business to his workmen. To add to his troubles, Andrew's girl, Nora Gorodna, is being pursued by José Ferra, one of the workmen; and Lila Normand, a society girl, tricks Andrew into proposing.

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.

Yvonne, proprietor of a Paris gown shop, marries Pierre, a poor artist, concealing from him an affair she had with Rigaud, an elderly boulevardier who bought the shop for her.

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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When his buddy is murdered a dedicated cop, goes after the gang responsible.

An orphan named Innocence leaves her county home after her foster-father dies. She travels to the city and makes a living as a novelist. Subsequently, she has an affair with a painter named Amadis de Jocelyn, who later dumps her.

In Paris Mildred White becomes romantically involved with both Derwent Ainsworth and Dr. Mario Martinez. She prefers Derwent, but when he leaves suddenly to see his dying father, Mario convinces Mildred that he has deserted her. World War I begins, Derwent returns for Mildred, but upon learning that she is leaving Paris with Mario, he enlists in the army. Mildred, learning of Mario's deception joins the Red Cross to be near Derwent. When he is blinded in battle unbeknownst to him Mildred assumes his care. Their love renewed, though he is unaware of her identity, the two soon marry. Mildred then prevails upon Mario to perform a special operation on Derwent's eyes. His vision restored the pair restate their love.

Sir Joseph and Lady Webbing are the foster parents of Marie-Louise. The couple are also in league with Verrinder, a German spy. When their work against England is discovered, they commit suicide. Marie-Louise, who has been an unwitting part of their schemes, is allowed to go to the U.S. if she promises to keep everything a secret.

Loyal slave of the aristocratic Dabney family, Dan is overjoyed when Raoul becomes engaged to Northerner Elsie Hammond and his sister Grace becomes engaged to Elsie's brother John. When the Civil War breaks out, the heartbroken Hammonds return North and John joins the Union army. Raoul joins the Confederacy, but his vindictive overseer, Jonas Watts, becomes a Union officer. Watts takes Grace prisoner, but before he can act on his desires, John rescues her.

When Roberta Carruthers' father, Capt. Carruthers, is killed in France during the war, she comes to live in the US with her uncle. When she finds out that her uncle is under the impression that his brother had a son and not a daughter, she decides to disguise herself as a male, and calls herself Bob.

When the Civil War breaks out, Alan Kendrick, an army officer born in the South, stays in the army to fight for the Union, but his sweetheart Maryland sides with the South. She soon discovers that Alan was captured by Confederates in a battle near her home and is to be executed. Although he is fighting for her enemy, she cannot bring herself to let him be killed and devises a plan to help him escape.

Jared Wolcott, storekeeper in a small country town, lives with his young sister, Marion. He succumbs to the flirtations of a Mrs. Elmore from a wealthy summer resort, and when he proposes and learns she is married he commits suicide. Marion vows to avenge her brother, and years later, as a successful illustrator in New York, she is engaged to illustrate George Elmore's latest novel. At the Elmore country home, she leads Mrs. Elmore to believe she has won her husband's love, although she is romantically involved with John Corliss. The revelation that Corliss is Mrs. Elmore's brother leads her to forgo her revenge, and disclosing her identity to the family, she leaves. Corliss follows, and they are united.

Roxanna is married to British official John Clayton, but when she catches John in the apparent embrace of another woman, Roxanna leaves England and goes to visit her friend Betty in America. There she tells people that her 'beloved' husband is dead. Betty's friends take to Roxanna, especially Ned, for whom Betty has strong feelings. Further complications arrive in the presence of John Clayton, who has followed Roxanna and now pretends to be the Duke of Morebay and another potential suitor for 'widowed' Roxanna.