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.

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.

A gang of crooks are employed to get possession of valuable papers of international importance, held by the French Ambassador, Vicomte de Jarlais. They are also instructed to get the Ambassador out of the way and make it appear that he has committed suicide. His mysterious disappearance arouses the United States Secret Service officers

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.

Edith Sturgis, the daughter of a judge, returns from studies abroad to find her widowed father remarried. The new Mrs. Sturgis does not reveal that she has a son Dick, once unjustly jailed by Judge Sturgis, but now working as a reporter while still maintaining an association with the Brownlow gang. Quarrelling with her stepmother, Edith leaves home, meets Dick and falls in love.

In this story the hero is haunted by a beautiful young woman who tries to stab him to death with a knife. This fantasy recurs on each of his birthdays, becoming more and more real as the years go on. He leaves home to secure a place as groom, but arrives at his destination too late. Forced to retrace his steps, he seeks shelter in a little inn, forgetting that the hour of his birth is approaching. In the middle of the night he awakens, terrified with fright… Based on Wilkie Collins' novel “The Dream Woman”.

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.

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.

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.

Holmes goes on the trail of a Rembrandt painting, stolen by a drug-addicted artist.

A man assists a woman to dispose of the body of her stepfather....

A condemned man uses hypnotism on a judge. After the man's death, the judge finds himself acting like the condemned man.

After coming under suspicion for a computer technician's murder, six hackers team up to try to find the real killer.

A multimillionaire is murdered, and his will leaves all his money to a beautiful young blonde. The murdered man's son thinks something is fishy, and a homicide cop sets out to find out who was behind the man's death. Complications ensue.

Pauline Cheraud risks her reputation to expose the man who killed her father.

Much-married and once successful writer Henry T. Aythecliff, now heavily in debt, summons his three ex-wives to his mansion, planning to extort a sizable amount of money from each. When he is discovered dead, clues indicate that each of his four wives had motive and opportunity to murder him, and a young detective must sift through some ingeniously devised evidence.

A murdering skyjacker parachutes to safety and poses as a novice monk in an isolated New Mexico monastery.

Pursued by two suitors, James Brunton and Bob Standing, Grace chooses James followed by a sumptuous wedding at his family home. Suddenly a shot rings out and James’s father is fatally wounded. Just before dying Mr. Brunton makes James promise not to apprehend the murderer. Later trouble arises when Grace suspects James of an involvement the young Helen. Crushed, Grace leaves home settling in another town. Shortly after James has a car accident and is taken to Grace's nearby house. When Helen and Bob arrive, it is revealed that Helen is James’s sister. Mr. Brunton had abandoned Helen's mother Alice years before and it was Alice who fired the fatal shot. James and Grace are reconciled.

The abandoned Balfour House, the owner of which was found dead five years earlier, comes back to life with the arrival of two suspicious sinister-looking tenants. This film was lost in the 1965 MGM vault fire; only a few stills exist.

Allayne Norman's husband Bruce is a gambler and drunkard who kills her artist cousin in an argument. Bruce flees the studio with Allayne and their son, and places his identifying documents in the pockets of an amnesiac man. To avoid the consequences of his actions, Allayne identifies the man as her husband. When Bruce returns, he tries to kill the man but is shot instead. The man regains his memory and is cleared of wrongdoing.