Charlie is the intended murder victim here, and he avoids death only by chance. To find the murderer (since, of course, murder does occur), Charlie must outguess Scotland Yard and New York City police.

The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron; a conspiratorial team of spies and no-goods pursue him to Alaska, trying to steal the device.

A press agent for a Broadway actress whose career is going downhill attempts to get her some publicity by having her adopt two orphans, without her knowledge.

A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. His henchmen often kidnap a trained gorilla (the titular "ape") from the zoo, to aid in the schemes.

Two bit hood Eddie Condon (Kane Richmond) sells babies under the counter. A highly lucrative racket he soon finds out. But when will the police get wise to this highly immoral scheme of his? And will they be able to pin a rap on him before he goes a little too far? ALL IS TOLD in this EXCITING tale of CRIME and CORRUPTION!

Police detectives battle the League of Murdered Men, a gang of resurrected dead criminals.

An out-of-work professor gets a break from an old college buddy to teach at an exclusive girl's school. But events conspire against him: he finds an abandoned child which he takes under his wing, despite the school's rules against teachers having a family; and the girls in the school resent his replacing a handsome and popular teacher, and do everything in their power to get him fired.

A pilot carrying a valuable amulet is shot down over China by a ruthless Russian agent, who also wants the amulet.

The Sloanes tie murder to the theft of a Shakespeare manuscript.

Judge Hardy goes to his friend's Arizona ranch to help her in a legal dispute, and he takes his family with him.

Terry is the chief car tester for Emery Motors and Frank is an Engineer. Jane has just been hired to work in publicity. Frank and Terry both want Jane to be their girl. Terry has designed a new carburetor that should bring him fame and money, but he cannot get it to work correctly. Terry and Gadget have tested it for over a year, but it still is not perfected. Emery Motors assigns Frank to help Terry with the carburetor, but Terry is not happy because Frank is an Engineer and is also vying for Jane. They finish the carburetor, and to test it, they enter a car in the Indianapolis 500 race. Terry is not yet satisfied with the carburetor before the big race even though it has passed all the tests.

A condemned murderer named Clement is "liberated" when the Nazis bomb the French jail that holds him. During his escape, Clement comes across the body of a French soldier; he steals the dead man's uniform and identification papers, then hides from the law by joining the Resistance movement. Clement's new identity and purpose in life reforms him, and in due time he has sacrificed himself in service of his country.

A merciless district attorney prosecutes a case that mirrors his own life.

A doctor is driven into an investigation of sinister goings-on at a horse race track by his mystery writer ex-wife.