Inspector Maigret is traveling to the French countryside to visit his friend, the duchess of Saint-Fiacre. She has received a letter recently stating that she will die soon. A few days later she does so by an heart attack, but Maigret does not believe in this...

Director: Jean Delannoy

Writer: Georges Simenon, Jean Delannoy, Rodolphe-Maurice Arlaud

Actors: Jean Gabin, Michel Auclair, Valentine Tessier

Production: N/A