The Mark of Cain

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.

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.

Sherlock Holmes solves a murder rooted in the Mormon trek of 1850.

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.

Audacious Jeanne works in a book bindery, is given a diary written by Thomas Dodd to bind. The diary portrays Dodd as a scoundrel who fathered a girl by a woman he never married, and Dodd's family as a nest of vipers. Jeanne decides it is her duty to save this corrupt family and presents herself to Dodd as his illegitimate daughter. In fact, Dodd is a meek old man whose scandalous diary was pure fantasy, and the only hostile member of the family is Dodd's greedy brother Jerry, who was the only sympathetic character in Dodd's diary. Jeanne falls in love with Dodd's nephew Kent, though she dutifully urges him to marry Hazel Jenkins, a woman whom Jeanne believes Kent has wronged. A lost film.

A young nurse reports to work in a hospital's psychiatric wing and gets involved in a series of mysterious deaths.

After a popular singer dies in a mysterious auto accident, her fiancee assembles all those who were to attend there wedding, hoping to find her killer.

The wife of a TV executive thinks she might have committed a murder and is tormented by a stalker while locked inside an empty TV station.

A mystery writer's son is being held for $1 million ransom.

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.