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.
A blackmailed ex-thief is executed for a murder he didn't commit.
Two men, one of them a villainous hypnotist, contend for the same woman, unaware that she suffers from dual personality disorder.
Margot is the pawn in a game set up by her father, "Old Bill" Prewitt, and her husband, Tom Sloan. They use her to fleece gamblers until a gun fight results in serious injuries for both Tom and Bill. Bill thinks Tom is dead and takes Margot across country. He finally collapses from exhaustion and they are found by a trapper.
Feature version of the 1945 American serial film of the same name, composed for export only, never seen in the USA and now evidently a long-lost film.
From a Montana mining camp, a young man progresses to the society heights of New York, making his mark publicly as a dancer, but secretly as a gentleman burglar.
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.
Lois Fox, upon whose shoulder is branded a Chinese idiograph resembling the letters "A. Y.," is rescued from a gang of Chinese ruffians by Brice Ferris. His servant Ming, in attempting to steal from her finger a ring that bears a mysterious green seal, is killed, and soon afterward a stranger named Strang arrives, also in search of the girl. Despite Brice's efforts to protect her, Lois is abducted and taken to the headquarters of Lao Wing, the leader of a secret Chinese society known as the Tong.
Brothers James and Allen Mornington are both addicted to cocaine and both believe that their addiction is caused by a hereditary failing. James rises to the position of judge, but when Allen is brought into his court on drug charges, James resigns. The two brothers, along with James's daughter, Hilda, then retire to the country to fight their desire for drugs.
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.
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.
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.
Jim Crosby, the product of a broken home, becomes a gangster and goes to prison. Meanwhile, Ann Payton, an heiress, converts a saloon into a mission. She is engaged to her father's secretary, Temple Vaughn, a gambler. Jim is released from prison and seeks shelter at the mission. Temple becomes indebted to gambler Phil Johnson and is forced to arrange a crooked poker game involving some of his wealthy friends. Jim overhears the plot and, realizing that Temple is Ann's fiancé, robs the poker game and puts a check Temple forged into Temple's own pocket.
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.
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.
During the illness of her father, Toni Carter, Milly takes his place as station agent. Both Dave Snowden, a freight engineer, and Bill Mailey love her. Bill, a land express courier, who distrusts and dislikes Dave sees that both the girl and her father favor his rival and decides to disgrace the station agent and his daughter.
A young newspaper man from San Francisco arrives in the Yukon to start a newspaper and conflict ensues. Based on the poem by Robert W. Service.
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.
Young thief “The Bat” to distract an old bookseller, while his partner, “The Fly,” robs the till, purchases a book at random. Later, after a chase and escape to the Devil's Roost, Old Meg's refuge for thieves, he takes the book from his pocket and is about to throw it aside when the title attracts him, "Electricity Made Simple." Intrigued, the volume opens a new life to him and in time enables him to rescue the bookseller’s daughter Bess when she falls into trouble.