Sherlock Holmes solves a murder rooted in the Mormon trek of 1850.
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.
After Henry Dawson and Robert Harwell quarrel at Elaine Huntington's garden party, Henry disappears and Robert is accused of murder. Although Robert is found guilty and sentenced to death, Elaine, who loves him, believes he is innocent and does everything in her power to help him.
Major Temple vainly tries to purchase of the priests the Green God he sees on a visit to China. He commissions Robert Ashton to get it for him, promising him the hand of his daughter in marriage.
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.
Holmes goes on the trail of a Rembrandt painting, stolen by a drug-addicted artist.
An operator at a mobile pager company has her life turned upside down by a seemingly senseless abduction. Currently considered to be a lost film (never released to the general public, after its theatrical premiere in Puerto Rico).
On the advice of his friend Pendleton, Ashton Kirk, a scholar and amateur detective, pays a visit to a house whose occupants, Charles Cramp and his sister Grace, complain of strange happenings involving Mexicans. Discussions with Ashton's agent in Mexico reveal that Cramp's father was once an engraver, who, in desperate need of cash, had agreed to supply Alva, a notorious thief, with forged currency plates. After a change of heart, Cramp refused to deliver the plates to Alva, and now Cramp's aunt, Miss Hohenlo, has come to her brother's home to find them herself. The clever Ashton realizes that the Mexicans are cohorts of Alva's and eventually uncovers an elaborate signalling and tunnel system used by Miss Hohenlo and Alva to locate the missing plates. Deciphering a message announcing the time and place of the arrival of the Mexicans, Ashton and his aides hide themselves in the house cellar, capture the thieves and destroy the plates.
William Bryant, a hopeless invalid due to a profligate life and made vicious by the fact, lives to make life a misery for his wife Margaret. One evening Bryant's physician, Dr. Cameron arrives at his patient's house, just in time, to intercept a blow that Bryant has directed at Margaret and knocks him unconscious in the ensuing struggle. Margaret flees with Cameron, observed by the chauffeur who enters the house with the intention of stealing. Meanwhile Bryant has regained consciousness and in his twisted mind determines to kill himself and frame his wife. He’s almost successful until at almost the last moment his butler steps forward and acknowledges that Bryant was shot as they struggle with his pistol which the chauffeur confirms.
Farmer Allen Golyer finds his romance with his naïve sweetheart Susie usurped by Bertie Leon, a traveling salesman. Leon's slick, citified ways win the girl's heart and she leaves Golyer for him . Just then Golyer's friend, Colonel Blood, shows up with a sapling which he presents to him. Leon meanwhile leaves the little country village and is never heard from again. Susie, believing that he was fickle, agrees to marry Golyer. For the next 20 years they are happy, until Golyer goes to a seer.
Anne Cabell, working as a dancer at a nightclub goes to confront a man who is blackmailing her friend with incriminating letters. When he is killed, she comes under suspicion of murder. However it turns out that he was a foreign spy, and she had nothing to do with his slaying.
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.
A young girl in Monte Carlo is engaged to a nobleman, but is really in love with someone else. A jewel thief named "The Black Spider" has been robbing the wealthy of Monte Carlo, and as a joke the girl steals her aunt's jewels. Unfortunately, a detective finds out and suspects her of being the real "The Black Spider".
The American consul in Zanzibar is informed that a fugitive American has just reached the African coast, and becomes suspicious of a newly arrived man from Boston, Massachusetts.
Mystery film in the detective Stuart Webbs series.
A murderer strikes at a secret gathering of top law enforcement agents, brought together by a millionaire seeking their endorsement of his candidate for governor.
A murder is committed at a country mansion. All the guests present at the estate fall under immediate suspicion as investigators attempt to solve the mystery before they strike again.
A condemned man uses hypnotism on a judge. After the man's death, the judge finds himself acting like the condemned man.
12 part silent serial- 1. The Castle of Fear 2. The Spider's Web 3. The Vanishing Heiress 4. The Room Without a Door 5. Shots in the Dark 6. Ambushed 7. The Secret of the Coin 8. Into the Web 9. The Baited Trap 10. The Lady in White 11. The Closing Web 12. The Final Reckoning. A prequel to The Ace of Scotland Yard.