At the height of the Roman Civil War, an aging Julius Caesar finds himself intrigued by the young Egyptian queen Cleopatra, whom he teaches how to rule Egypt.

James Stewart plays aeronautical engineer Theodore Honey, the quintessential absent-minded professor: eccentric, forgetful, but brilliant. His studies show that the aircraft being manufactured by his employer has a subtle but deadly design flaw that manifests itself only after the aircraft has flown a certain number of hours. En route to a crash site to prove his theory, Honey discovers that he is aboard a plane rapidly approaching his predicted deadline.

Czechoslovakia, March 1939, on the eve of World War II. As the German invaders occupy Prague, inventor Axel Bomasch manages to flee and reach England; but those who need to put his knowledge at the service of the Nazi war machine, in order to carry out their evil plans of destruction, will stop at nothing to capture him.

Adam McAdam is an old, dour sheepherder whose life is devoted to his faithful dog, the whiskey bottle and his daughter, Jeannie. And a conflict that arises when the other sheep-men of the district try every means within their power to have his dog, accused of being a sheep-killer, destroyed.

Insurance agent-physician collects on policies of men murdered by a disfigured resident of the home for the blind where he acts as doctor-on-call.

An elderly man assists the police in solving a murder, but accidentally reveals his own criminal past in the process.

A man witnesses a murder that isn't a murder, only to get involved with the magician and his wife who created the illusion. The insanely jealous magician husband eventually kills his wife, making for complications in life of unhappily married man who is now involved more than he ever thought he would be.

A disgraced school master, Benjamin Twist, is mistaken for a tough prison governor and assigned the charge of a prison for particularly hardened criminals. Believing he is being sent to a school rather than a prison, he celebrates accordingly only to find that his drunkenness accidently lands him on the wrong side of the prison bars. The Governorship is eventually restored to him, and he sets about popularising himself amongst the convicts by turning a blind eye to their shady dealings.

Story of how two youngsters round up crooks planning to blow up the British fleet off Gibraltar.