Georges, hunted by the Germans, had taken refuge with his brother, Commissioner PJ Paris. Once released, he teams up for the sake of a girl with the lackluster Zattore. A bank is robbed, but the police is fast and Georges will either lose his life.

Superintendent Maigret is sent to Antibes to elucidate the murder of William Brown, a rich Australian who regularly disappeared to indulge in formidable drinking binges. In his footsteps, Maigret makes the rounds of bars until discovering the Liberty Bar, its welcoming patroness La Grosse Jaja and its equivocal clientele. It is without a doubt here that the key to the murder is to be found.

The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.

In Lourdes, in the 1860s, the young Bernadette disturbs despite herself the peaceful life of the small town. She is the only one to see the apparition of The Lady, every day. The villagers take sides, the notables try to stifle the affair. But crowds come from all over the country. Inspired by the true story of the Lourdes affair.