L'oubliée d'Amboise

Inspector Lavardin is called to a provincial village to investigate a murder – only to find that one of his ex-lovers is the victim’s widow.

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 maintained a fifty-year-long love correspondence with a certain Princess of Vuynes, whose husband - by a strange coincidence - had died just a few days earlier. As he confronts the various members of the two families and the suspicious silence of Mademoiselle Larrieu, Maigret finds himself faced with surprise after surprise, watching his certainties crumble - until the solution to the mystery finally hits him in the face at the very last moment...

Four women are murdered, each knifed and, despite torn garments, remain virtuous. As famed police inspector Jules Maigret pieces the clues together, he comes to realise that for the elusive man that he suspects to be unmasked, he has to set a trap.

A mystery writer is intrigued by the tale of notorious criminal Dimitrios Makropolous, whose dead body was found washed up on the shore in Istanbul. He decides to follow the career of Dimitrios around Europe, in order to learn more about the man. Along the way he is joined by the mysterious Mr. Peters, who has his own motivation.

In Acapulco, Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The causes seem to be natural until another party with most of the same guests produces another corpse.