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 .

The sentimental and comic adventures of three sailors, during a stopover of their ship in Toulon, are grafted onto a story of stolen documents, which allows the three friends to turn into amateur detectives.

The gratuitous murder of his father and the misery of the people, aggravated by a succession of bad harvests, lead Gaspard, a great admirer of Mandrin and blacksmith by profession, to revolt. With his companion Samplan, he finds himself at the head of a handful of soldiers dissatisfied with their fate and a band of brigands. They steal money from the rich to give it to the poor, like highwaymen, vindicators with a big heart. In their eyes, things cannot go on like this, in this country which seems given over to the decadence of the nobility and the whims of an indolent king. Gaspard and his troupe are responsible for making it known.

In the Camargue, a herdsman has just become engaged to a young local girl when his heart is troubled by a stranger who is playing the comedy of love for him. After this disappointment, he resumes the interrupted idyll.

Romarin and his friend Tonin are two brave Provençal poachers who are not afraid. Romarin spends most of his time in his shed or on his boat, protected from customs controls. Tonin, a handsome guy with a tanned complexion, has many romantic adventures. For the moment, he is interested in the daughter of Larquus, a grocer from Cassis, the pretty Nine, who also covets the shady customs brigadier, the Corsican Napoléon Orsini.

Monsieur Fred is a friendly Southerner who recruits pretty girls down on their luck to send to South America. After some dramatic incidents and an eventful chase, a policeman manages to lock up the gang he runs.

Loursat, a lawyer, lives with his daughter Nicole in a sinister and vast bourgeois residence. Abandoned for nearly twenty years by his wife, the brilliant lawyer has sunk into alcoholism and his relationship with his daughter is virtually non-existent. However, one day the corpse of a stranger is discovered in the residence of Loursat. Nicole, who frequents a gang of young people who escape boredom by stealing cars and other objects, is immediately suspected.

François and Victor sell hard candy at the fun fair. They also bring up Gisèle, a one-year-old child they found by the side of the road. Although the two men are often at each other's throats they are the best friends, getting on well with the other fairground people. But when they defend Lisa, the fortune teller's daughter against Dédé, a thug who pesters her, they provoke his anger. Dédé sets fire to the two friends' stand and they are forced to take the road.

Father Vincent is trying to build a church in the California neighborhood. Greeted by stones, he must face a sinister band of deviants excited by a shady cabaret performer. The abbot resists, gradually builds his church and regenerates all the wretches with whom he lives and especially the hardest, Bibi.

After a deadbeat patron at his restaurant gets special care from the cops who think the man has amnesia, the maitre d'hotel decides to pretend he too has amnesia. He is claimed in turn by an aristocrat family and by trapeze artists.