A hotshot young flyer falls for a French prostitute during World War I.

Slip and the gang (Bowery Boys) foil foes of the exiled, incognito king of Truania (Sig Ruman).

When several women are found mutilated and murdered, the Paris police are baffled as to who the killer may be. All evidence points to Dupin, but soon it becomes apparent…

Marine Sergeant James O’Hearn is being tried at the San Diego Marine base for desertion, theft, scandalous conduct and destruction of property in time of war. He refuses to testify…