Antonin Brehier

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.

In France in 1942. Blanche and Virgile live in the free zone and use a boat to help a local network of resistance fighters and refugees. One day the couple propose to take in Sarah, a Jewish child who is impatiently awaiting her parents

Alma and her brother spend the holidays with their grandmother on the family estate exploring its most secret corners. One day, Alma hears a voice coming from the cavern at the far end of the park.