Qu'est-ce qu'on a tous fait au Bon Dieu ?
To his dismay, conservative Catholic Claude Verneuil can no longer take a step outside his home without running into Rachid Benassem, David Benichou, Chao Ling or Charles Koffi, his sons-in-law of different ethnicities and religions. According to his wife Marie, he is solely responsible: it was Claude who convinced them to stay in France. The worst part of all of this is that Claude and Marie can’t get the peace they long for — their four daughters are secretly preparing a big party for their 40th wedding anniversary and intend to invite the parents of their respective husbands. This multicultural reunion between in-laws promises to be eventful.