Paris in the 1920s. Marguerite Dumont is a wealthy woman with a passion for music and the opera. For years, she has performed regularly for a circle of guests. But Marguerite sings tragically out of tune and no one has ever told her. Her husband and her close friends have always encouraged her in her illusions. Things become very complicated the day she gets it into her head to perform in front of a genuine public, at the Opera.
Marilou and Philippe prepare for their future retirement in Portugal. But their daughter separates and a whole procession of solicitations falls on them.
Marilou and Philippe decide to show their grandchildren their new holiday home in Portugal. But once there, they discover to their horror that the house is still under construction. This is just the beginning of the problems for the grandparents, because soon they will lose their children. They have only two days left to find them, before their parents join them.
