Ruben, Durex and Nora are three students in their last year of college. Ruben has already failed his exams once due to his lack of self-confidence. He's been as useless with Nora, to whom he dares not confess his feelings. And his childhood friend Durex, the most embarrassing guy in the world, is no help at all. When Ruben discovers that Nora is a dealer and that she's going to Amsterdam to bring back a new kind of drug, Ruben bucks up the courage to accompany her. This trip to Amsterdam is an ideal situation in which to at last seduce Nora. But his bad luck: Durex comes along for the ride. While the trio discover Europe's craziest capital, their lives really get complicated when they realize that the drug they've just picked up belongs to one of Amsterdam's most dangerous gangsters. Very quickly, Ruben, Durex and Nora will understand that to get their old lives back, they must stop being nerds in order to become true heroes.

When recently widowed, it is difficult to get used to a new life ... This is the case for Hubert Jacquin, who spends most of his time in his huge apartment, depressed, in front of his TV. One day, after a misunderstanding, his life will change. Manuela, a young and bubbly adventurer in search of a dwelling calls his home! At first reluctant, Hubert will quickly get used to the presence of this energy storm, who even manages to convince him to allow two other people to stay. There are many surprises in store for Hubert ...

Two babies are switched at birth. When the mistake is discovered 12 years later, it leads to complications in the lives of both families. One family is affluent, with dutiful and (apparently) contented children. The other family is poor, with rambunctious (even delinquent) children, often hungry, but with lots of laughter in the house.

Jean-Étienne Fougerole is an intellectual bohemian who released his new novel "In Open Arms" and calling the wealthiest people to welcome home the families in need. While he promotes his book during a televised debate, his opponent criticized him for not applying what he himself advocates. While stuck, Jean-Étienne Fougerole accepts the challenge, for fear of being discredited. The same evening, a family of Roma rings the door of his Marnes-la-Coquette villa and the writer feels obliged to house them.

Three brothers are reunited on the occasion of the death of his mother. The three are in a difficult stage of their lives due to economic difficulties: Bernard is a failed actor, Didier pretends to be a professor of philosophy when, in fact, is selling sex toys and Pascal lives off a rich sexagenarian. Accompanied by Sara, the teenage daughter of Bernard, they live surprising encounters while new problems appear.

François Sentinelle has two lives. By day, he is the most famous cop of Réunion Island, known for his tough methods and flowery shirts, pursuing criminals in his famous yellow defender. But the rest of the time, Sentinelle is also a charming singer.

Guillaume Canet is told by a young co-star that he's no longer Rock'n' Roll and can't sell films anymore. He then tries to prove her wrong and gets help from his girlfriend, Marion Cotillard.

In one of the poorest areas of Paris, a school counselor devotes herself to working with disadvantaged students, while facing challenges of her own.