Mr Poggi dreams of the town hall of his village. He is a bodybuilder and right-wing. With his wife, the luscious Bernadette, they invite their brother-in-law and sister-in-law, Bruno and Huguette, teachers on the left, for a Sunday lunch. The theme of the reunion is explosive: "who will take Grandma at Christmas?" " The family meal can begin - All the ingredients are there - Politics, legacy stories, children's education, religion and even drugs. The cicadas are singing, the parents are yelling, the children are toasting - It's the funniest day of the year and it would be a shame to miss it. By the way ? But who is going to take Grandma at Christmas?