Bank manager John Valera is a man of the world, a dazzling-looking gentleman from head to toe. Tired of his business, he one day leaves everything to have a rest, leaves his workplace in Berlin and travels incognito to Italy, where he wants to unwind and spend a holiday like never before. As his travel budget starts to shrink more and more, Valera is not reluctant to accept various jobs and earns his living as a jazz trumpeter, servant, chauffeur and assistant to a gang of thieves.

A man is accused of murdering his wife. The state prosecutor assumes he did the deed to spend more time with his lover. But the woman in question says that his wife committed suicide in her presence and that the accused is innocent. Despite the objections of the prosecutor, the accused is set free and is found dead shortly thereafter. The prosecutor decides to pursue the case and comes upon a band of criminals, who sell German state secrets. Shortly before the investigation comes to a close, a woman is murdered. When a witness asserts to have seen him near the woman's dead body, the prosecutor himself ends up in court and must now prove his innocence.

A series of sketches about people who have illicit affairs in a motel: among them a starlet and a pilot, two bit Casanovas, an industry manager and his secretary.

In this musical-comedy, Dean Martin plays an American hotel mogul who becomes smitten with a young Italian woman (Anna Maria Alberghetti) when buying a hotel in Rome. To marry this gal, he has to get her three older sisters married off.

Bank accountant Thomas Lieven is forced to work as a triple agent for the British, the French and the Nazis.

Suave private investigator Norman Conquest intercepts a secret message and meets a beautiful but foreign blonde lady in room 605 of the Park Plaza hotel. But when Conquest wakes up in the room the next morning he is lying next to a dead body. With the mysterious blonde nowhere to be seen, Conquest soon becomes the police s number one suspect with Inspector Williams following his every move. In order to clear his name, Conquest enlists the help of Pixie Everard (Joy Shelton), but the going gets rough when he discovers that the murder is connected to a stash of stolen diamonds. As gun-happy gangs of communists and Nazi sympathizers turn up the heat, Conquest has to solve the murder whilst staying one step ahead of both the gangs and the police.

When Germany invades Holland in 1940, a British intelligence officer and two Dutch diamond merchants go to Amsterdam to persuade the Dutch diamond merchants to evacuate their diamond supplies to England.

An American reporter smells a story when he is stranded in an Iron Curtain country where the local dictator is using gamma rays to transform children into mutated henchmen.