Jacques Futrelle

1929 film serial directed by Jack Nelson.

Doris Harvey is just returning to her New York home from a fashionable girls' school, when she learns of her father's financial ruin. John Harvey, a diamond importer, operating individually, has been crushed by a powerful diamond syndicate. He cannot stand the thought of failure and rushes home to kill himself.

A young couple attend a masked ball before their planned (but secret) elopement. Suddenly everything goes wrong when the young woman is attacked and held hostage by a crazed attacker.

Based on the spy novel of the same name by Jacques Futrelle.

When burlesque dancer Elois Murree gives birth to her daughter Yvette, she sends to a fashionable boarding school away from the stage environment and her drunken husband. Yvette visits infrequently but during one sojourn Murree slashes Elois' left eye in an argument forcing Elois, now veiled, to perform billed as the Masked Queen. Yvette becomes attracted to her friend’s brother, Rex, she avoids him after she learns that he wants his prospective bride to come from a good family. Yvette becomes a burlesque queen, but a distraught Elois tries to kill her to save her soul and then commits suicide, leaving the bloodied knife in the hands of her drunken husband, who then is arrested. Later, Yvette finds happiness with Rex.

An anthology series produced by Thames Television, comprised of short mystery, suspense or crime adaptations featuring, as the title suggests, detectives who were literary contemporaries of Arthur Conan Doyle's Sherlock Holmes.