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.
Christian Clavier
as Claude Verneuil
Chantal Lauby
as Marie Verneuil
Ary Abittan
as David Benichou
Medi Sadoun
as Rachid Benassem
Frédéric Chau
as Chao Ling
Noom Diawara
as Charles Koffi
Frédérique Bel
as Isabelle
Émilie Caen
as Ségolène
Élodie Fontan
as Laure
Alice David
as Odile
Pascal N'Zonzi
as André Koffi
Salimata Kamate
as Madeleine Koffi
