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.
Wife of wealthy ladies' man Challis Wrandall, Sara, is called to a roadhouse to identify her husband's body and told that he was murdered by an unidentified woman. On her way home, Sara rescues a young woman who is about to drown herself. Believing the woman, Hetty Castleton, to be the murderer, Sara offers her employment in the Wrandall home as her companion. Because her husband and his family treated her so coldly during her married life, Sara seeks revenge by arranging a romance between her brother-in-law Leslie and Hetty, but the latter has fallen in love with artist Brandon Booth and refuses to marry young Wrandall. Sara threatens to expose the girl, but just then a detective appears and accuses Sara of the crime. Hetty confesses, explaining to the family that Challis had lured her to the inn and attacked her. The Wrandalls forgive her, and she leaves her home in Booth's company.
Wealthy spinster, Rachel Innes rents a country house with her niece and nephew for the summer, only for a series of strange occurrences and a murder at the house's circular staircase to lead to shocking revelations about the home's owner and the family secrets within the house.
A young American man arrives in London to claim an estate he has inherited. One of the conditions is that he signs a paper stating he will never sell the estate. When he arrives at the estate he now owns, he runs into a ring of American gangsters there and discovers that the estate is the site of some buried pirate treasure.
This silent mystery is considered a lost film.
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.
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.
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.
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.
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.
The Gray Ghost is a 1917 American crime-drama film serial directed by Stuart Paton. Chapters: 1. The Bank Mystery; 2. The Mysterious Message; 3. The Warning; 4. The Fight; 5. Plunder; 6. The House of Mystery; 7. Caught in the Web; 8. The Double Floor; 9. The Pearl Necklace; 10. Shadows; 11. The Flaming Meteor; 12. The Poisoned Ring; 13. The Tightening Snare; 14. At Bay; 15. The Duel; 16. From Out of the Past.
A woman's cheating husband is murdered at their country estate, and suspicion immediately falls on her.
Sherlock Holmes solves a murder rooted in the Mormon trek of 1850.
In Dijon, Inspector Hanaud investigates Betty Harlowe after her uncle, Boris Waberski, accuses her of poisoning her wealthy aunt for an inheritance. While an initial autopsy finds nothing, Hanaud discovers the use of Strophanthus Hispidus—a rare, undetectable poison applied via an antique arrow. Amidst a flurry of "poison pen" letters and deception, Hanaud proves the murder occurred despite the lack of conventional medical evidence.
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.
Having been rejected by Phyllis Leigh in favor of wealthier suitor Peter Lester, Hugh prevents Elinor Ashe from drowning herself. Hugh recklessly marries Elinor, but they occupy different wings of his house. Lester and Phyllis arrive as guests, and a new manservant favored by Elinor is hired. When Lester is murdered, the servant is charged with the crime, and Elinor admits to Hugh that he is indeed her father, recently released from prison. While in the company of Marcia Marshall, Hugh discovers her husband Harley dying in a Chinese opium den. He confesses that, victimized by Lester, he killed him. Elinor's father is released, and she reconciles with Hugh.
The Everlasting Conflict Between Law and Order and the Underworld.
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.
After discovering that her lover is already married, a young woman gets engaged to another man. However, her attempts to recover embarrassing love letters from her former lover lead to her being accused of murder when he is found dead.
Chester Waddington secretly marries society girl Patricia Flynn, a fact that is revealed at a party celebrating her engagement to another suitor. A brawl ensues.