A world-famous pianist loses both hands in an accident. When new hands are grafted on, he is horrified to learn they once belonged to a murderer.
London. A mysterious serial killer brutally murders young blond women by stalking them in the night fog. One foggy, sinister night, a young man who claims his name is Jonathan Drew arrives at the guest house run by the Bunting family and rents a room.
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.
A film projectionist longs to be a detective, and puts his meagre skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
Babs Van Buren saves her lover from the electric chair and at the same time extricates her older sister, Connie from a trying situation.
A Parisian cop sets out to solve a sudden series of crimes, including robbery and blackmail. Based on a novel by Émile Gaboriau.
A masked criminal who dresses like a giant bat terrorizes the guests at an old house rented by a mystery writer.
A general store clerk and aspiring detective investigates a mysterious disappearance that took place quite close to an empty insane asylum.
A magician seeks vengeance upon the man who paralyzed him and the illegitimate daughter he sired with the magician's wife.
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 romantic rivalry among members of a secret society becomes even more tense when one of the men is assigned to carry out an assassination.
After returning home to his long-estranged mother upon a request from her deathbed, a man raised by his parents in an orphanage has to confront the childhood memories that have long haunted him.
A demon, a reaper, and the ghost of a prostitute read gothic short stories and act them out.
Louis Fernando fails to sell a patent upon which he has spent the better part of his life and drowns himself. His orphaned child Marie is adopted by Lord Chatterton. Geoffrey Brooke, who is in the employ of Lord Chatterton, falls in love with Marie. Chatterton's general manager Arthur Newton also loves Marie and formulates a scheme whereby he hopes to win her and also acquire the Chatterton fortune. Chatterton becomes suspicious and by a ruse traps Newton and exposes his plot. Marie and Geoffrey are made happy in the end.
Rich old Cyrus West's relatives are waiting for him to die so they can inherit. But he stipulates that his will be read 20 years after his death. On the appointed day his expectant heirs arrive at his brooding mansion. The will is read and it turns out that Annabelle West, the only heir with his name left, inherits, if she is deemed sane. If she isn't, the money and some diamonds go to someone else, whose name is in a sealed envelope. Before he can reveal the identity of her successor to Annabelle, Mr. Crosby, the lawyer, disappears. The first in a series of mysterious events, some of which point to Annabelle in fact being unstable.
Coke Ennyday, the scientific detective, divides his time into periods of "Sleep", "Eat", "Dope" and "Drinks". In fact, he overcomes every situation with drugs: consuming cocaine to increase his energy or injecting it in his opponents to incapacitate them. To help the police, he tracks down a contraband of opium (which he eagerly tastes) transported within "leaping fishes", saving a "fish-blower" girl from blackmail along the way.
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.
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.
Sherlock Holmes is a master at solving the most impenetrable mysteries, but he has his work cut out for him on his latest case. As the famed detective investigates an alleged theft, he’s brought face to face with his most devious adversary yet — Professor Moriarty.
Holmes goes on the trail of a Rembrandt painting, stolen by a drug-addicted artist.