Two villages in the south of France have always been bitter rivals, but when a group of asylum seekers arrive in the community, the life of both villages is shaken up and age-old disagreements escalate. Their antagonism reaches its peak with the annual rugby derby played between the two village teams, but this time, with the new outsiders joining as unexpected recruits, the result of the 100th match will be more unpredictable than ever.
Claude and Marie Verneuil will soon be celebrating their 40th wedding anniversary. For the occasion, their four daughters - Isabelle, Odile, Ségolène and Laure - decide to organize a big surprise party in their family home in Chinon. They also decide to invite, each, the parents of their respective husbands - Rachid Benassem, David Benichou, Chao Ling and Charles Koffi.
When their father dies, Louise, Fabien, and Estelle feel helpless as they confront the task of taking care of their schizophrenic brother Jacques. For Louise, the experience will be life-changing.
Commander Paul Leclerc is determined to learn the truth behind his son's death on a mission in Africa.