A traveller is stuck in an unknown town because his connecting train will only arrive in six hours. He decides to kill time by taking a stroll. He is not prepared to get confused with somebody else. In fact the citizens are eagerly awaiting the visit of a famous man and the clueless traveller is his doppelgänger. Soon he experiences what that means.

A man, after a fight, believes he has killed his cousin, and hides the body. The dead man had only passed out, but when he regained consciousness, he became amnesiac. When she sees him again, the woman who loved him takes him for a ghost.

Everyone in Paris thinks Fantomas is dead. A wave of extortion, blackmail and murder all point to the master criminal. Inspector Juve and his reporter friend Fandor set out to find the truth.

Stanislas Oscar Seminario, aka SOS, is a young explorer, just back from Africa, visiting old friends: the Pescara's. But the father keeps receiving anonymous letters. And soon a mysterious murder is committed. SOS begins to investigate...

An American is on the run in the streets and back alleys of France.

In World War II France, American soldier Michael Blake captures, then loses Nazi-collaborator art thief Paul Rona, who leaves behind a gem studded gauntlet (a stolen religious relic). Years later, financial reverses lead Mike to return in search of the object. In Paris, he must dodge mysterious followers and a corpse that's hard to explain; so he and attractive tour guide Christine decamp on a cross-country pursuit that becomes love on the run...then takes yet another turn.

A small-scale cabaret troupe is touring the provinces. One afternoon while canoeing, Monique Darzel, one of the troupe's singers, spots an angler whose resemblance to Fernand Raynaud strikes her. She discusses this with Jean Duroc, the troupe's director, who laments the meagre revenues his show is raking in. He then had the idea of meeting this fisherman to convince him to imitate Fernand Raynaud in his shows. It turns out that the Fernand Raynaud impersonator is in fact Fernand Raynaud himself, who has come for a week's incognito vacation in the provinces. Raynaud is finally persuaded to play the novice comedian, in order to further develop the script for his next film, Les cabotins à travers les âges.

On the run from international police, Special Agent Lemmy Caution arrives in the South of France and soon becomes embroiled in a scheme with the infamous gangster Siegella. Whilst seeming to co-operate with the underworld boss, Lemmy is secretly acting for the FBI, and intends using Miranda Van Zelden, a wealthy heiress, as bait to trap a gang of crooks and put an end to Siegella's exploits...

Professor Charles Buisson, astronomer and Nobel Prize winner, has just discovered a nova. He informs the other observatories by telephone. Just as he thinks one of them is calling back, he finds himself on the line with a young woman threatening suicide at the Ruban Bleu cabaret, if her lover hasn't joined her by midnight. Intrigued, the professor decides to go and prevent the unfortunate woman from committing suicide. One of his students, who earns her living as an understudy in a knife act, helps him in his investigation, while the school principal and a policeman suspect him of being a prankster or even of selling drugs. For the scientist, it's an opportunity to discover a world of music-hall that he'd never known before: "I thought I knew the sky chart by heart, but there's one planet that was totally unknown to me: Earth. I'll be back!

A foreign pianist who comes to visit Paris is ripped off by a young man and his sister. But he soon falls in love with this one.