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.
Christian, a visionary scientist, studies wild geese. For his son, a teenager obsessed with video games, the idea of spending a holiday with his father in the wilderness is a nightmare. However, father and son will get together around a crazy project: save a species endangered, thanks to the ultralight of Christian! Then begins an incredible and perilous journey ...
The Bouvier-Sauvages, a large aristocratic family, meet the much more modest Martin family when their children's wedding is announced. For the occasion, the future bride and groom offer their parents DNA tests, which will reveal their true origins. The results are totally unexpected and will make the effect of a bomb.
