Tridan Lagache has spent his whole life at Club Med, changing friends every 8 days. At 50, he resigns from the vacation spot where he was born, determined to track down his great mini-club childhood love, Violette. He shows up in Paris, naïve and lost but glad to be lodged by Louis, a half-brother he never knew he had. In order to be rid of the cumbersome Tridan, Louis passes one of his fling off as Violette, and Tridan, all emotional, thinks he recognizes her at first glance.

Hakim and Latifa fled the Algerian civil war in the early 90s. They live since in the Jura, with their two daughters: Nedjma 14 years, and Leila, the eldest, left to study hair in Paris. Three days before Christmas, Nedjma receives a terse SMS from her older sister. She will not be able to come to join them for the holidays, pretexting once more an overload of work - Latifa attacks Hakim and pushes him to fetch Leïla. Nedjma will come with him, they will take the opportunity to discover Paris. Upon their arrival in the hair salon, they learn that Leila has actually never worked. It is the journey of a father who begins in Paris one night until dawn.

Fired for insubordination, PJ Antoine Verlay, good cop but a blood strand and having difficulty working as a team, is attached to the OCBC (Central Office for the fight against Traffic in Cultural Goods) thanks to the intervention of the commander Pardo, his friend who becomes, therefore, his new superior. A clever investigator, but a stranger to everything related to culture, Antoine will have to work with Florence Chassagne, renowned art historian, who lives, speaks and breathes culture, to the point that - fruit of her great imagination - it happens to her in the midst of daydreams, to see and talk to the great artists who have disappeared as if they were familiar to her.

Louise, a widow with two children, almost crushes a stranger with her car. She takes care of him, even if he's not really wounded. It turns out that he has mental disorders and that they can help each other much more than they thought.

When the little haberdasher Arras discovers she's won 18 million in the lottery and can now afford anything she wants, she has only one fear: losing the small joys of life made simple it cherishes above all. But fate is obstinate, and this is giving too long this good fortune will trigger it, despite herself, a hurricane that will change everything. Everything except her.

Rose Pamphyle lives with her widowed father and is destined to marry a son of the local mechanic. When she travels out of town and applies for a secretarial job with an insurance agency run by Louis Échard, he learns that Rose can type with extraordinary speed - using only two fingers. He tells her to compete in a speed-typing competition if she wants the job.

The story of an immigrant woman struggling against old world traditions. Zouina leaves her homeland with her three children to join her husband in France, where he's been living for the past ten years. In a land and culture foreign to her, Zouina struggles against her mother-in-law's tyrannical hand and her husband's distrustful bitterness in an attempt to adjust to her life in exile.

Claude Brasseur plays a villain on the run from both the police and the mob. Good atmosphere in the Paris by Night, including deserted factory, Les Halles market and an empty theatre.