Wade Hildreth is sent to New York from London to receive a diamond necklace for Lady Gwendolyn from the jeweler Arabin. A gang of crooks led by Pete Fielding, known as "The Shadow," plans to keep Hildreth from going to Arabin's until they have robbed the store. Actress Morn Light, whom the Shadow loves, agrees to entice Hildreth to her apartment to be imprisoned. When she warns Hildreth because she wants to avenge her father's death, which was caused by the Shadow, the Shadow overhears and captures them both.
Most of the scenes are laid in a parrot-and-monkey country in South America, a land where "it is always after dinner." The Llano Kid, a Texas bad man, flees there from justice. The consul persuades him to play the long-lost son of a Castilian family, and tattoos a coat of arms on the back of the Kid's hand to make the deception complete. The Kid is taken into the household, trusted and loved by the gladdened mother. For the first time he has a home. The romance develops. And when the time comes to rob and flee he has too much manhood to break the loving mother's heart. The surprise comes when it is revealed that the man the Kid killed in Texas was the real son.
Holmes and Watson match wits with an opera star intent on blackmailing a king.
A reporter and a detective team up to solve the murder of a nightclub singer who had been involved in a divorce scandal.
Nancy Glenn is a pupil in Pop Hogland's school for crooks. When, attired as a boy named "Spider", Nancy fails at her lessons as a pickpocket, Pop decides to pair her with Pliny Drew, a graduate thief and swindler.
A baby is left on the Brinbecombes' yacht while they are sailing up the Hudson River, and they adopt him and name him Everett. They are neighbors of Governor Floyd Vandecarm whose twin children, Floyd Jr. and Fledra, were kidnapped in early infancy. Their abductor was Lon Cronk, a man sent to prison by Vandecar when the latter was a district attorney of the county. The twins grow up in Cronk's shack as "Flea" and "Flukey." Despite her rough surroundings Fledra/Flea grows into lovely young womanhood and she and her brother run away from Cronk's cruelty. They reach Tarrytown and peer into the lighted windows of the home of siblings Horace and Anne Shellington. Anne brings the two young vagrants into the house and ultimately adopts them. But Cronk, aided by Everett, wages a long, evil campaign to regain possession of the children.
The defense attorney who was unable to obtain the acquittal of an innocent young man concocts a complicated and diabolical scheme to get revenge on the prosecutor.
Priscilla Worth, an innocent country girl, goes to the city to visit her aunt, who has sent for her, thinking that her childlike simplicity will afford a welcome relief to Vincent Morgan, a wealthy bachelor and man-about-town. The plan works, but soon after Vincent and Priscilla's marriage, Vincent, besieged by his friends to return to his gay life and suspicious of his wife's relationship with Durant--an artist who has painted her portrait--yields to temptation.
When Mary and Fannie Graham, daughters of a good mother but a father with criminal instincts, are left motherless, Mary flees from her unhappy surroundings while Fannie, inheriting her father's disposition, remains and is raised as a thief.
At the death of Count de Beaulieu, his daughter Jeanne learns that her father had been the arch-criminal known as The Phantom. The only other person who knew her father's identity was his lieutenant, Franz Leroux, who now demands that Jeanne marry him in return for his silence.
Penniless aristocrat Yvonne Dupré ekes out a living selling her paintings to a crooked dealer, Leon Naisson, who passes them off as other more famous artists. Leon confides to his unscrupulous model Romildo, that he is attracted to Yvonne. Romildo drugs his lover, fiery Apache dancer Juliette who closely resembles Yvonne, then tries to extort money from Leon to have his way with her. Leon discovers the duplicity but convinces the artist's sweetheart, Dick Gray, that she has been unfaithful. As police close in on Leon, he frames Yvonne by planting forged paintings in her studio. Following Yvonne's arrest, Juliette is informed by her foster sister that she was stolen by gypsies as a child and is actually Yvonne's twin sister. Juliette exposes Leon's operation to the police, reuniting Yvonne and Dick.
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.
A man breaks into a flat, startling the occupant. They argue about the new girlfriend of the 'burglar', who's come to get her stuff. Then a third man bursts out of the cupboard...
An actress poses as an heiress who died, and dies fighting blackmailing detectives in a burning house.
Humanitarian Roberta induces her father to hire former convict, Bill, as his gardener. When she leaves on vacation, Bill steals her jewelry and eventually sells a brooch to her boyfriend, Richard, who unknowingly gives it to her as a present.
A man tries to burgle his own safe on the same night that a professional criminal attempts it.
Cordelia Marlowe comes from a society family that has lost its fortune. She falls into the clutches of D.K. Franklin, a crooked lawyer who specializes in blackmail, and finds herself involved in Franklin's scheme to extort money from a family friend. She sets out to protect her friend's money and expose Franklin for the thief he is.
Denounced for preaching socialism Reverend Frank Gordon founds his own "Temple of Man." financed by Kate Ransom, the woman Gordon has fallen in with love and entered into a common-law agreement with after divorcing his wife. With the outbreak of World War I, however, the members of his new congregation oppose conscription while he wholeheartedly supports the Allied cause. Driven from his own church, he returns home to find Kate in banker Mark Overman's arms, enraged he strangles the banker. Sentenced to life imprisonment, his ex-wife Ruth pleads with Governor Morrison to pardon the errant clergyman. Gordon is allowed to return to his family.
A young man's journey into adulthood, love, and ambition, inspired by a serial by George Randolph Chester exploring themes of love, ambition, and self-discovery, set against the backdrop of the Roaring Twenties.
Young Victor Jones of America is discovered to be an exact lookalike for England's Earl of Rochester, a circumstance which results in Jones deciding to replace the Earl after an unfortunate accident.