John Mason returns to the Sally Ann mine to claim his half share. Janet Cater also returns although her father lost his half share to Joe Ryan. Ryan and his gang are also there to get the gold. A mysterious Phantom is also present. Mason's plan to expose Ryan as an outlaw and to force him to turn his share to Janet works. But when distracted by the Phantom, John is made a prisoner by the gang.

A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.

A charming and very daring thief known as Arsene Lupin is terrorizing the wealthy of Paris. He even goes so far as to threaten the Mona Lisa. But the police, led by the great Guerchard, think they know Arsene Lupin's identity, and they have a secret weapon to catch him.

A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.

A card cheat is threatened with exposure into joining a criminal enterprise that Sherlock Holmes believes is controlled by Professor Moriarity.

Clint Turner is arrested for the murder of his girlfriend Judy's father, a rival rancher who was an enemy of his own father, and his best friend, Sheriff Buck Gordon sets out to find the real killer in the face of pressure for a quick lynching of Clint.

A mysterious phantom who calls himself The Reckoner vows to expose the crooked bankers who embezzled their company's funds.

An eclectic group of people are stalked by a masked killer in an old mansion.

A lovely dame with dangerous lies employs the services of a private detective, who is quickly caught up in the mystery and intrigue of a statuette known as the Maltese Falcon.

A mystery novelist's detective skills are put to the test when he attends a party where a murder is committed.

Movie star Shelah Fane is seeing wealthy Alan Jaynes while filming in Honolulu, Hawaii, but won't marry him without consulting famed psychic Tarneverro first. Enter inspector Charlie Chan of the Honolulu Police, investigating the unsolved murder, three years earlier, of a Hollywood actor.

A juror in a murder trial, after voting to convict, has second thoughts and begins to investigate on his own before the execution. German version of "Murder."

The sinister Dr. Fu Manchu returns to destroy the people he holds responsible for the death of his family.

A ruthless, crooked stockbroker is murdered at his luxurious country estate, and detective Philo Vance just happens to be there; he decides to find out who killed him.

Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.

When a woman is convicted of murder, one of the jurors selected to serve on the murder-trial jury believes the accused, an aspiring actress, is innocent of the crime and takes it upon himself to apprehend the real killer.

One of the last of the silent Sherlock films.

Mrs. Ramsey sent Jean Oliver to prison on a false charge. To get even, Jean (disguised as Madame Mystera) plans to kidnap her daughter and turn her into a thief. Love entanglements with a gangster known as "The Fox" and newspaperman Grant complicate her plans.

Philo Vance investigates when a murderer preys upon members of a wealthy family on New York's Upper East Side.

A beautiful showgirl, name "the Canary" is a scheming nightclub singer. Blackmailing is her game and with that she ends up dead. But who killed "the Canary". All the suspects knew and were used by her and everyone had a motive to see her dead. The only witness to the crime has also been 'rubbed out'. Only one man, the keen, fascinating, debonair detective Philo Vance, would be able to figure out who is the killer.

The murders start with the body of Robin. He is found with a arrow through the heart, but Vance deduces that the body was placed and not found where he was killed. The note found dealing with the murder was part of a nursery rhyme and signed by 'Bishop'. The only witness may have been Mrs. Drukker and Adolph, but they are not talking. As the murders progress, each one is accompanied by a nursery rhyme. It is up to Philo Vance to unravel the clues and unmask the identity of the murderer 'Bishop'.

A writer rents what he believes is a deserted lodge in order to complete his novel. But then six other people show up one-by-one, each for reasons of their own.

Sir George hires Hillary Gatt to find out more about Eric who wants to marry Lois. Gatt is murdered and the couple, married, run off to India. Old friend John Beetham sympathizes with the bride who sees that her hubby is a liar and drunk.

A magician seeks vengeance upon the man who paralyzed him and the illegitimate daughter he sired with the magician's wife.