The Countess de Saint-Fiacre, having received a terrible anonymous letter predicting her imminent death, summons Commissioner Maigret in the hope that he can protect her and save her from a secret ill-wisher.

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...—Volker Boehm