German Julius Reuter sends 19th-century news by carrier pigeon and then by wire, founding a news agency.

Physician Carole Nelson, suspected of having ties to notorious gangster Joe Gurney, must prove her innocence or the Medical Board will revoke her license. When Gurney seeks her out for treatment after being shot, it could be the break Nelson needs. Now she has a chance to use her medical know-how to outwit Gurney and his goons and reestablish her professional reputation.

After a wealthy dowager who has made a substantial donation to her alma mater suddenly disappears, Nancy Drew sets out to solve the mystery.

A French doctor sentenced for treason performs brain surgery on the prison commandant's daughter.

Reporter Jane Arden goes undercover to try to expose a gang of jewel thieves and smugglers. Her mission becomes more dangerous when her identity is discovered early on by one of the gang leaders.

After his doctor informs him he will die in six months, Professor Henry Todhunter decides to spend his last days killing someone who contributes nothing but harm to society. When Henry learns that his friend Betty's husband, Michael, has been painting forgeries of ancient paintings for gallery owner Ketti Moret, he investigates the fraudulent dealer's life. Judging that Ketti is truly evil, Henry prepares to murder her.

Philo is in Vienna working for the US Government to see if Archer Coe is selling aircraft designs to foreign powers. He grabs the plans with Archer's signature, but is captured by police before he can escape. Deported he comes back to America and plans to confront Archer, but Archer is found dead in his locked bedroom with a gun in his hand. While it looks like a suicide, Vance knows better and the coroner finds that Archer has been shot, hit with a blunt instrument and stabbed - making suicide unlikely. But Vance is on the case and is looking to see if government secrets have been sold and who has murdered Coe. This is a remake of "The Kennel Murder Case" using aircraft designs and espionage instead of Chinese porcelain and dog shows.

Torchy Blane joins her police-detective fiance to solve a series of murders involving a set of Chinese grave tablets taken and sold to a collector and death-threats written in Chinese characters.

FBI agent Ed Renard investigates the pre-War espionage activities of the German-American Bund.