Paris, 1937. Winckler kills his enemy Gordon, a Chicago mobster, from the stage of a Parisian music hall, where he performs telepathy. He pays another artist, Helene, so that she tells the police they've spent the night together, which doesn't fool Callas, the police officer who investigates the murder. He hires one of his fellow officers in order to seduce Helene.

Maigret is called to the high-class Hotel Majestic to investigate a body. The wife of a wealthy American has been killed - but to Maigret's surprise she has a gun in her purse. He begins to follow up the handful of clues that could explain her secret life and her demise.

1943 film by Richard Pottier

Cecile, a young girl who goes to the offices of the Judicial Police several times in a row to complain about nightly visits to the apartment she occupies with her aunt, is not taken seriously by the police until she the day she is found murdered.

Captain Justin Mollenard works for a company that sells armaments to the Far East. After an eventful stay in Shanghai, where he and his cargo are the victim of a malicious attack, he returns to his hometown of Dunkirk. Mollenard receives a frosty welcome from his wife Mathilde, who resents the way in which he has neglected his family for so many years. Mollenard’s only wish is to get back to sea as soon as he can, but a sudden heart-attack leaves him paralysed and entirely in his wife’s power...

1955 film by Christian Stengel