Commissioner Maigret rushes to the Quai d’Orsay with Lieutenant Janvier. There, they find Mademoiselle Larrieu in a state of shock. That very morning, she discovered the bullet-riddled body of Mr. Berthier-Lagès, a renowned former ambassador whom she had served as a housekeeper for 46 years. While searching the victim's apartment, Maigret and Janvier uncover hundreds of letters. The diplomat had m