Three young men - Jacques, Pierre, and Michel - share an apartment in Paris, and have many girlfriends and parties. Once, during a party, a friend of Jacques' tells him he has a quite compromising package to deliver, and asks him if he can leave it discreetly at their place. Jacques agrees and, as he works as a steward, flies away for a one-month trip in Japan, telling Pierre and Michel about the package. Then, one of Jacques' former girlfriends drops a baby before their door, making Pierre and Michel believing it is the package they are waiting for. Their lives are then completely changed.

Adeline's Chinese housekeeper suddenly disappears, leaving behind a little boy who doesn't speak a word of French. Helped by her sister, she takes care of the child and proceeds to locate the mother.

Aurore has separated, just lost her job, and learns that she is going to be a grandmother.

Xavier is a 40-year-old father of two who still finds life very complicated. When the mother of his children moves to New York, he can't bear them growing up far away from him and so he decides to move there as well.

An underachieving vocal coach is motivated by her father, the king of movie-trailer voice-overs, to pursue her aspirations of becoming a voice-over star. Amidst pride, sexism and family dysfunction, she sets out to change the voice of a generation.

A widowed professor living in Paris develops a special relationship with a younger French woman.

Admiral Frank Beardsley returns to New London to run the Coast Guard Academy, his last stop before a probable promotion to head the Guard. A widower with eight children, he runs a loving but tight ship, with charts and salutes. The kids long for a permanent home. Helen North is a free spirit, a designer whose ten children live in loving chaos, with occasional group hugs. Helen and Frank, high school sweethearts, reconnect at a reunion, and it's love at first re-sighting. They marry on the spot. Then the problems start as two sets of kids, the free spirits and the disciplined preppies, must live together. The warring factions agree to work together to end the marriage.

Unable to find her runaway son, a woman deceives two of her ex-lovers from her youth, a mild-mannered teacher and a tough journalist, that each is the real father in order to obtain their help.

Vincent, a wealthy real estate agent, is invited to dinner by his sister Elizabeth and her husband Peter, both professors in Paris. Claude, a childhood friend and trombonist in a symphony orchestra, is also present. Vincent brings news from the prenatal examination of his and his wife Anna's unborn son. The name chosen by the soon-to-be parents strongly offends the others for many reasons. The dispute between the guests quickly escalates and before long the resurgence of old grudges and hidden secrets is unavoidable...

In the wake of their parent's separation, three siblings spend the summer in the south of France with their estranged Grandfather. In less than 24 hours, a clash of generations has occurred between the teenagers and the old man. During this turbulent summer, both generations will be transformed by one another.

Horrified at the prospect of her beloved school being sold, a young French girl named Madeline uses her wit and craftiness to attempt to save it, making an unlikely new friend in the process.

39 years old Jacques Monot is tired from the same vacation he and his family have every year so he decides to buy a boat.

A Parisian teacher loses his cool when his teenage daughter tells him she plans to drop out of school and move in with her boyfriend.

Single mother Ryan has just about given up on dating after her divorce, happily accepting her young son as the most important man in her life. That all changes when Ryan's brother Owen, also feeling unlucky in love after a bad breakup, swaps his home in their small North Carolina town with New York City adman Sean.

Thirteen-year-old Bastien is the center of a reconstructed family: six half-brothers and sisters, eight "parents," and as many houses. His tasks within the family are far more complex than what he has to do at school. But enough's enough: the children decide to wage a revolution and turn the rules upside down. All together, they squat a large apartment and now it'll be up to the parents to come to them!

Genial, bumbling Monsieur Hulot loves his top-floor apartment in a grimy corner of the city, and cannot fathom why his sister's family has moved to the suburbs. Their house is an ultra-modern nightmare, which Hulot only visits for the sake of stealing away his rambunctious young nephew. Hulot's sister, however, wants to win him over to her new way of life, and conspires to set him up with a wife and job.

A man without attachments or responsibilities suddenly finds himself with an abandoned baby and leaves for London to try and find the mother. Eight years later after he and his daughter become inseparable Gloria's mother reappears.

Monsieur Cinema, a hundred years old, lives alone in a large villa. His memories fade away, so he engages a young woman to tell him stories about all the movies ever made.

Lauren, a lovely 29-year-old it-girl, tries to break into the world of fashion by skimming Parisian parties. Olivia, a 28-year-old psychologist, has two obsessions: to save the confectionery of her parents, and to find her ideal husband. At the age of 26, Salma, a fiery young history teacher, still lives with her mother in the suburbs. Their roads have no reason to cross - until the day when, on the death of their biological father that they never knew, they inherit together a splendid Parisian apartment. For these three sisters who have nothing in common, cohabitation will prove to be explosive, to say the least.

An American actor in Tokyo struggles to find purpose until he lands an unusual gig: working for a Japanese 'rental family' agency, playing stand-in roles for strangers. As he immerses himself in his clients' worlds, he begins to form genuine bonds that blur the lines between performance and reality.