Bis

Eighties teenager Marty McFly is accidentally sent back in time to 1955, inadvertently disrupting his parents' first meeting and attracting his mother's romantic interest. Marty must repair the damage to history by rekindling his parents' romance and - with the help of his eccentric inventor friend Doc Brown - return to 1985.

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.

Two years have passed. After missing their separation, the Leroy seem perfectly successful in their divorce. But the appearance of two new lovers in the life of Vincent and Florence will set fire to the powders. The match between the former spouses resumes.

At 55, Anne is finally enjoying her freedom after her children leave home. But everything changes when her 23-year-old daughter, Louise, moves back in with her after a professional and romantic failure. And to make matters worse, her son, Théo, announces that she's going to be a grandmother! Anne realizes that life never goes as planned and that, at any age, we are still learning to grow up.

Newly engaged, Thomas meets his future father-in-law Gilbert, who has been married for 30 years to Suzanne. Disillusioned Gilbert is convinced that his marriage has meant he's missed out on life. He persuades Thomas not to marry his daughter Lola and encourages him to drop everything else in his life as well. The two men then throw themselves into a new brats' life full of adventure, convinced that freedom is elsewhere. But at what cost do we rediscover our adolescent dreams?