At a national park in Kenya, English game warden George Adamson and his wife, Joy, care for three orphaned lion cubs. After the two larger lions are shipped off to a zoo in the Netherlands, the smallest of the three, Elsa, stays with the couple. When Elsa is blamed for causing an elephant stampede in the nearby village, head warden John Kendall demands the young lion either be trained to survive in the wilds of the Serengeti or be sent to a zoo.

The script, which was written on a day-to-day basis as the film was being shot, concerns the adventures of a motley crew of swindlers and ne'er-do-wells trying to lay claim to land rich in uranium deposits in Kenya as they wait in a small Italian port to travel aboard an ill-fated tramp steamer en route to Mombasa.

When a fissure explosively opens in an English mud flat during a military exercise there, injuring one soldier and killing another, an American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.

Gil Carter and Art Croft ride into a small Nevada town plagued by cattle thieves. Initially suspected of being the rustlers themselves, Carter and Croft eventually join a posse out to get the criminals, who also may be involved in a recent shooting. When the posse closes in on a group that could be the fugitives, they must decide on a course of action, with numerous lives hanging in the balance.

A commanding officer defends three scapegoats on trial for a failed offensive that occurred within the French Army in 1916.

As the railroad builders advance unstoppably through the Arizona desert on their way to the sea, Jill arrives in the small town of Flagstone with the intention of starting a new life.

A gambler discovers an old flame while in Argentina, but she's married to his new boss.

A Jewish pawnbroker, a victim of Nazi persecution, loses all faith in his fellow man until he realizes too late the tragedy of his actions.

Professor Challenger leads an expedition of scientists and adventurers to a remote plateau deep in the Amazonian jungle to verify his claim that dinosaurs still live there.

History Professor Brad Fletcher heads west for his health, but falls in with Soloman Bennett's outlaw gang. Fascinated by their way of life, Fletcher finally takes over the gang, leading with a new 'efficient' ruthlessness.

After a prank makes Joey Norton believe he killed his older brother, he runs away from home and spends the day at Coney Island while his brother tries to find him before their mother gets home.

A warlock burned at the stake comes back and takes over the body of his great grandson to take his revenge on the descendents of the villages that burned him.