Romain Faubert is a 39 year old, single, medical photographer... and a raging hypochondriac. His doctor and only friend Dr. Dimitri Zvenka thinks he knows the cure for Romain: dating! But with the arrival of freedom fighter Anton Miroslav, everyone might get more then they bargained for...

In Montreal, the unemployed fashion designer Sophie Malaterre is shown a website, switch.com, where it is possible to switch houses with a stranger for vacation. Sophie seeks an apartment in Paris nearby the Eiffel Tower that belongs to Bénédicte Serteaux and they change apartments. Sophie arrives in Paris on Saturday morning. The next morning, policemen break in the apartment and arrest Sophie while she is having a bath. Detective Damien Forgeat interrogates Sophie believing that she is Bénédicte and she learns that a beheaded body was found in her room and all evidence of her life has been deleted.

French comedy

In Paris, many citizens go to the precinct after the doors of their apartments have been sprayed with a 4 and the letters "clt". When a dweller is found mysteriously dead in his apartment, Detective Jean-Baptiste Adamsberg and his partner Danglard investigate...

To regain the one he loves and his children, Alex Meyer, composer and director of musicals, hard hit by his marital breakdown dating back three years, decides to rebuild himself.

Returning from a vacation in Spain in September, Agathe, a dental technician, and her husband Alexandre, a salesman, break down on a deserted stretch of freeway. They are then forced to follow a mechanic who appears out of nowhere. Towed to an isolated camp in the middle of nowhere, the couple discovers a family composed of six adopted children, all approximately 25 years old and of different origins. Forced to wait for the car's engine to be repaired, the vacationers participate in spite of themselves and for a few hours in their community life.

Sandrine, a former fashion designer who is unemployed, is now working in a garment factory as a worker. There she meets Mathieu, the company's human resources manager and a former childhood sweetheart. The two of them get closer, but their relationship is hampered by the economic crisis that is catching up with the company... The employees then decide to join forces to buy the company by creating a clothing line, "Les P'tits Lutins", for which Sandrine is, of course, asked to contribute. However, the situation turns out to be tense. How will Mathieu react to these new directions?

A shy French anthropologist who happens to be secretly in love with her college superior, chooses "bimbos" as the subject of her thesis. She becomes one of them in order to do that, and the professor she loves falls for her new identity.