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.
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
