The Verneuils are a well-off, well-educated, well-intentioned, and well-thought-of Catholic couple. Everything would be perfect if three of their four daughters had not married young men of different nationalities and religions. So the day their fourth daughter tells them that she is marrying a Catholic fellow, they are on cloud nine.

After Laure's blissful wedding in Qu'est-ce qu'on a fait au Bon Dieu? (2014), the unconventional Verneuils' multicultural family faces yet another unforeseen crisis. Against the backdrop of ambitious business ideas in a France that is constantly changing, the ethnic sons-in-law--the Algerian, Rachid, the Jewish David, the Chinese Chao, and the Ivorian Charles--now plan to move abroad with their lovely wives, leaving doting parents Claude and Marie all alone. The Koffis are also in for a big surprise. Will the Verneuils take the situation lying down? Above all, will they ever learn to stop worrying and trust their children?

A French intellectual who writes about living with an open mind struggles to live up to his words when a Romani family begins to camp on his front yard.