Marie and Claude Verneuil are old school: a respected upper class family with four beautiful daughters. Isabelle, Odile and Ségolène made multicultural marriages to Rachid, David and Chao respectively. When Laure announces her intention to marry Charles, her parents are delighted. A traditional wedding, at last! When Laure informs them that Charles is from Africa, something snaps. Marie plunges into total meltdown and Claude plots to sabotage the wedding. He finds an unlikely ally in Charles's father, André, who agrees with them on only one thing: what did they do to deserve this?