When American couple Janet and Mike move to England for his business, she soon fears he's having an affair with his attractive secretary and decides to get back at him by pretending she has been unfaithful.

Colonel Franz Ritter, a former hero pilot now working for military intelligence, is assigned to the great Hindenburg airship as its chief of security. As he races against the clock to uncover a possible saboteur aboard the doomed zeppelin he finds that any of the passengers and crew could be the culprit.

Once-famous movie director Paul Lamont has fallen on hard times. Hollywood has forgotten him. His pictures are no longer in vogue. Borrowing air fare from his ex-wife, he flies to Berlin, where a former colleague is producing three films. A hotel maid recognizes his celebrity name and makes a play for him. He falls in love a May-September romance.

A team of agents is sent to a secret location in South America to investigate reports that a group of Nazis actually rescued Adolf Hitler at the end of the war and are hiding him.

A Greek American father of a dying boy decides to take his son to Greece to breathe the clean air of his ancestors, in an attempt to save the boy's life. However, money is a problem.

Vito Amato, a young Italian opera singer, falls for Hollywood actress Elaine and follows her to Hollywood.