Life is good in the port of Marseille but Titin is accused of murder!! ... His girlfriend is very unhappy and does not know what to do to prove her innocence .

Firmin, who returned mute from the war of 14-18, has never displeased anyone for twenty years in terms of political life where low blows, jealousy and betrayal are rife in his Provençal village. But an explosion gives him the floor.

Once their military service is over, the instrumentalists of a regimental orchestra find themselves in civilian life and decide to run a hotel themselves on the Côte d'Azur.

In the Camargue a local young playboy named Frédéri falls in love with a young woman from Arles. His family thinks she is unsuitable as a wife because she had a fling with a soldier. His entourage attempt to cheer him up but he intends to commit suicide.

A pompous grocer’s assistant in Marseille annoys a visiting film crew so much that they prank him with a phony acting contract; believing it to be real, the “schpountz” heads to Paris for his new career.

Outwardly, Monsieur Victor would appear to be the model citizen. A respectable Toulon shopkeeper, he has a devoted wife and is courteous and considerate to all who know him. However, beneath this veneer of respectability hides a notorious receiver of stolen goods, who trades with hardened criminals. Victor manages to keep up his double life without any difficulty until the fateful day when one of his partners in crime threatens to expose him. Fearing a scandal, Victor kills the crook in a moment of panic, using a shoemaker's tool. Naturally, the murder is blamed on a local shoemaker, who is sentenced to ten years' hard labour. Seven years later, the former shoemaker reappears in Toulon, having escaped from prison. The first person to recognise him is Monsieur Victor...

A religious fanatic finds his entire life and philosophy turned upside-down as he falls in love with a girl and kills her in a jealous rage. His search is for peace of mind and a desire to justify the murder of the girl to himself. His mind becomes distraught as he gropes trying to rationalize his deed and his world falls apart around him. A police inspector patiently and tirelessly stays on Barrault's trail, without putting him under arrest, though convinced he is the murderer, and waiting for the moment when he feels Barrault will break under the strain of his own religious fanaticism.

In this little Provencal village, a new baker, Aimable, settles down. His wife Aurelie is beautiful and much younger than he. She departs with a shepherd the night after Aimable produces his first breads. Aimable is so afflicted that he can not work anymore. Therefore, the villagers, who initially laughed at his cuckoldry, take the matter very seriously (they want the bread) and organize a plan to find Aurelie and to bring her back to the bakery.

A respected gangster, Justin, finds himself in a deadly feud with his rival, the unscrupulous Esposito. The latter plans to steal a cargo of opium bound for China and to have Justin killed.

Leaping forward twenty years, the trilogy continues with the death of Fanny's husband, Panisse, and the discovery of her secret by her son, Césariot. The young man resolves to track down his biological father, Marius, whose life has been fraught with calamity and poverty.