Madame Clapain dies in dubious circumstances at the home of the Cadifon ladies, of which she was a tenant. A friendly inspector and Thérèse Cadifon each carry out their own investigation.
François Berthier
Madame Clapain
Thérèse Cadifon
Mathilde Cadifon
Doctor Joude
Hurteaux
Pauline
Aurélie
Florence
A lady
Gamekeeper
Ancelin
Miron
Billiard player
Judge
