Bruno falls in love with Christine, a pretty dermatologist. Embarking upon a passionate affair, Bruno immediately wants children. But Christine has lied to him: playing on her beauty, she told him she was 42, but is actually 50.

On Christmas Eve, we want everything to be perfect, yet things often go sideways. The holidays are a reality check for everyone, whether life is looking bright or dark. This Christmas, the residents of one Parisian apartment building are going to share an unforgettable holiday. They hardly know one another, only exchanging brief greetings when heading to work or taking out the trash. But this year, when neighbors who are jazzed-up, or depressed, or awed by the magic of Christmas find themselves thrown together, sparks will start flying.

Like every summer, our friends, the Pics, Jacky and Laurette, Gatineau, recently divorced from Sopie, and Patrick Chirac, ever true to form, get together at the Blue Waves camping grounds. This year, Patrick has decided to try car sharing. Believing that he'll travel through France alone with Vanessa, he finds himself accompanied by three young Dijon inhabitants: smooth-talking Robert, good-looking Benji and loudmouth José. Of course, after car sharing Patrick is forced to try out bed sharing...

Vincent, 18 years old, is dumped by Elina. It is his first love, it is the end of the world! His parents decide to take matters into their own hands and will try everything to make him forget this girl: he will have to follow them in a loving detoxification of which they will imagine the program ...

Adapted from a French comic book, three children try their best to overcome the Nazi occupation.