Bob Marston, a San Francisco socialite turned amateur detective is assigned to apprehend a gang of bootleggers.
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.
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.
A Parisian cop sets out to solve a sudden series of crimes, including robbery and blackmail. Based on a novel by Émile Gaboriau.
Louis and August Siever, the twins sons of a German father and American mother, are traveling in Europe when war breaks out. August joins the Kaiser's army, but Louis, a supporter of the United States, is practically made a prisoner in Berlin for a year while he tries to prove his American citizenship. After a violent confrontation with Louis, August steals his brother's passport and leaves for New York with Gerda Anderson, a German spy.
Young London realtor Leonard Tavernake becomes involved with two sisters, one good and one evil, which leads to much melodrama but things work out in the end.
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.
Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings. A lost film.
Old Silas Blackburn, a wealthy recluse, lives alone with his butler and his ward Katherine. One night, Katherine discovers Silas murdered in the room where three generations of Blackburns have mysteriously died. Silas' grandson Robert, whom Katherine loves, comes to visit the next day, suffering from amnesia.
Millionaire Joshua Barker insists that his daughter, Faith, must marry Phil Langhorne, a man that neither likes, and Faith is in love with and eager to marry her childhood sweetheart, John Temple.
A man and two women, suspected of stealing bonds, are traced to a country hotel. While Judith, one of the women, is out horseback riding, the other two, Walter and Vera, are arrested. When, during a storm, Judith is injured in a fall from her horse, Boone Pendleton comes to her rescue. Soon the river becomes impassable, and they are trapped in Boone's cabin, where the two fall in love.
Holmes and Watson match wits with an opera star intent on blackmailing a king.
Rosalind Joy (Helen Foster) is an heiress who has inherited a South Seas island known as Pleasure Island. A hidden cache of gold is allegedly buried on the island, which has several haunted structures. Rosalind's uncle, Spring Gilbert (Al Ferguson), wants the gold for himself and declares he will stop at nothing, not even the death of his niece, to get it. Rosalind, meanwhile, is befriended by Jerry Fitzjames (Jack Dougherty), a playwright. Unfortunately, Jerry has only recently escaped from a psychiatric hospital. Although he swears to protect Rosalind, she doubts Jerry's sanity. The two lovers race against Uncle Gilbert (who has set several traps for them) to find the treasure. In the end, Rosalind and Jerry are aided by the "Phantom Rider," a spectral horseman.
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.
Babs Van Buren saves her lover from the electric chair and at the same time extricates her older sister, Connie from a trying situation.
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.
One of a series of murder mysteries featuring the character Philo Vance. A Lost Movie
A doctor who cannot figure out what is wrong with his patient refers him to a detective, whom he hopes will be able to discern the cause of his mysterious illness.
While touring India, noted English criminologist Richard Duvall saves the life of a Buddhist priest who rewards him with the presentation of a wonderful crystal globe. By gazing in it the priest demonstrates that Duvall can fall into a cataleptic state and his astral body is released and is free to roam at will. Shortly afterward he uses the orbs powers to help his lady love Grace Ellicott solve the murder of her aunt and restore her fortune.
A man assists a woman to dispose of the body of her stepfather....