Jack Lane (William Stowell) has made an invention for photographing wild animals. It consists of a camera with a trigger -- when the trigger is stepped on by a passing animal, a flash goes off and the camera shoots the picture. Lane goes up to the mountains to try out his new contraption. When a recluse refuses to let him spend the night in his cabin, Lane goes to sleep out of doors, with the camera set up near by. In the middle of the night, he is awakened by the flash and the sound of gunshots. Trekking back to his own cabin the next day, he develops the picture, which is of a girl holding a rifle. He returns to the recluse's cabin where he is arrested for murder.
Following his mother's death, John Gregory becomes the "Eagle," a thief determined to get even with the mining company that stole his family's fortune. Breaking into the company’s head office he discovers that another robber has preceded him and killed the night guard. When he is falsely accused, Lucy the girl he loves, discovers a written confession from the real killer just before John is to be hanged and rides wildly to the jail to save his life.
A Parisian cop sets out to solve a sudden series of crimes, including robbery and blackmail. Based on a novel by Émile Gaboriau.
Two men, one of them a villainous hypnotist, contend for the same woman, unaware that she suffers from dual personality disorder.
Orphan, Audrey Bedford takes the blame for her half- sister's gem theft and later exposes her employer as her crooked husband.
A blackmailed ex-thief is executed for a murder he didn't commit.
Wealthy spinster, Rachel Innes rents a country house with her niece and nephew for the summer, only for a series of strange occurrences and a murder at the house's circular staircase to lead to shocking revelations about the home's owner and the family secrets within the 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.
Holmes and Watson match wits with an opera star intent on blackmailing a king.
Bank official Hanlin Davis is ruined in the stock market. Desperate, he fails to rob the bank but kills someone in the attempt. His wife Thora goes to D.A. Hastings to plead for a light sentence which the corrupt Hastings agrees to only if Thora gives herself to him. Upon his release the worthless Davis learning of her sacrifice divorces and turns her into the street. An outcast she becomes "the scarlet woman.” When wealthy crusader Robert Blake institutes an investigation exposing D.A. Hastings he is disbarred and decides to revenge himself upon Thora, considering her the cause of his downfall. Blackmailing unscrupulous society woman, Paula Gordon, he forces her to introduce Thora to Blake as a naïve woman while deceiving Thora that he knows about her past. After they marry Hastings denounces Thora, she flees, returning to her old life, but Blake, seeing her worth seeks her and they reunite.
A usurer cancels a woman's debt in return for wresting a financial secret from a minister's wife.
An actress poses as an heiress who died, and dies fighting blackmailing detectives in a burning house.
When Harlan Carr inherited his Uncle Ebenezer's "Jack-O Lantern" house and too his bride there to live, he found himself the unwilling host of a score of hungry relatives within a week. Soon, strange things began to happen. A black cat made the house his headquarters, unexplained sounds could be heard and a shadowy figure floated through the halls at night.
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...
Henry Egbert Xerxes' big chance as a cub reporter comes when he is assigned to track down a gang of counterfeiters which gathers regularly at the Red Dog Inn. As he leaves the office, Henry witnesses a girl being dragged into a cab -- the same girl he had seen that morning passing counterfeit money. Henry follows, but on overtaking the cab, he finds it empty. At the Red Dog Inn, he discovers that the girl is being held captive. After a series of rough and tumble adventures with the resident thugs, he and the girl escape, after which he rushes home to write up the story. When it fails to appear in print, Henry storms into the city room only to discover that the entire business was a hoax, intended to test his reporter's instincts.
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.
Police headquarters has been plagued by a series of robberies, culminating in the theft of a priceless necklace smuggled from Europe. The detectives are on the track of a gang led by master thief Ramon Mordant and his accomplice known as "the Face" because of his twisted and hideous countenance.
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.
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.