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.
Orphan, Audrey Bedford takes the blame for her half- sister's gem theft and later exposes her employer as her crooked husband.
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.
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.
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.
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.
A boxer saves a girl from a noble kidnapper.
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.
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 Parisian cop sets out to solve a sudden series of crimes, including robbery and blackmail. Based on a novel by Émile Gaboriau.
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.
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...
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.
Babs Van Buren saves her lover from the electric chair and at the same time extricates her older sister, Connie from a trying situation.
Holmes and Watson match wits with an opera star intent on blackmailing a king.
The Circular Staircase
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?