Detective Nick Carter is brought in to foil spies at the Radex Airplane Factory, where a new fighter plane is under manufacture.

While participating in a contest at a local newspaper in which school children are asked to submit a news story, local attorney Carson Drew's daughter Nancy intercepts a real story assignment. She "covers" the inquest of the death of a woman who was poisoned. Nancy doesn't think the young woman accused of the crime is guilty and corrals her neighbor Ted into searching for a vital piece of evidence and stumbles onto the identity of the real killer.

Nancy helps two aging spinsters fulfill the byzantine provisions of their father's will, but the murder of their chauffeur complicates matters.

A Japanese man claiming to be Mr. Moto, of the International Police, is abducted and murdered soon after disembarking from a ship at Port Said in Egypt. The real Mr. Moto is already in Port Said, investigating a conspiracy against the British and French governments.

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.

A Chinese-American surgeon faces a moral dilemma after operating on the mob boss in charge of vice and protection rackets in her city's Chinatown.

In coastal Cornwall, England, during the early 19th Century, a young woman who's come there to visit her aunt, discovers that she's married an innkeeper who's a member of a gang of criminals who arrange shipwrecking and murder for profit.

Detective Guy Johnson's client, Willie Heywood, is framed for murder. While Guy hides him so he can catch the real killer, both of them are nabbed by the police, tried, convicted and sentenced to jail: Guy for a year with Willie to be executed. On the way to jail, Guy comes across a clue and escapes from the police.

A Chinese general's daughter tracks her father to a slave-labor tyrant's jungle empire.

A gangster is unable to go straight after returning home from prison.

A corrupt D.A. with governatorial ambitions is annoyed by an investigative reporter's criticism of his criminal activities and decides to frame the reporter for manslaughter in order to silence him.

Embittered after serving time for a burglary he did not commit, Joe Bell is soon back in jail, on a prison farm. His love for the foreman's daughter leads to a fight between them, leading to the older man's death due to a weak heart. Joe and Mabel go on the run as he thinks no-one would believe a nobody like him.

A mad doctor named Zanoff uses a drug to bring himself back from the dead after his execution in prison. Dick Tracy sets out to capture Zanoff before he can put his criminal gang back together again.

Unsuccessful writer Aylmer Franklyn takes the chance to change identities after he discovers a corpse. However, he soon finds himself accused of the murder of a maid at a near-by boarding house.

After committing a murder, a man locks himself in his apartment and recollects the events that led him to the killing.

Secret Service agents try to solve the theft of treasury banknote plates.

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

A gangster takes a doctor and his family hostage.

A reporter gets himself sent to prison to expose a mobster.

A fugitive from a chain gang becomes an oil-well firefighter and meets the man who framed him.

Not even the joys of parenthood can stop married sleuths Nick and Nora Charles from investigating a murder on a Long Island estate.

Mr. Morris, the owner of a large metropolitan department store, gives jobs to paroled ex-convicts in an effort to help them reform and go straight. Among his 'employed-prison-graduates' are Helen Roberts and Joe Dennis, working as sales clerks. Joe is in love with Helen and asks her to marry him, but she is forbidden to marry as she is still on parole, but she says yes and they are married. In spite of their poverty-level life, their marriage is a happy one until Joe discovers she has lied about her past, in order to marry him. Disillusioned, he leaves, goes back to his old gang and plans to rob the department store.

A federal agent goes after a hijacking ring that uses beautiful women to help it hijack the rigs of unsuspecting truckers.

Bill Reardon, a private detective, is working on a case involving stolen items from a local jewelry store. The case takes a different turn when Bill's prying wife wants to help catch the crook.