With increasing economic and political tensions in France, the parents-in-law's four international sons-in-law (Algerians, Israeli Jews, Chinese and Ivorians) plan to move back to their places of origin to start a new life. In order to protect themselves from lovesickness, the witty and humorous old couple will implement a series of impossible plans to try their best to keep their sons-in-law, daughters and grandchildren in France. At the same time, they have to prepare for the wedding of the in-laws' daughter in C ô te d'Ivoire. A series of ironic and ironic things are about to happen.