A killer has found a way to kill women without committing the crime. He gets them to fall in love with him, like Isolde falls for Tristan in the epic poem, and then he leaves them. Heartbroken they choose suicide, just like Isolde.
Emmanuelle Barsac
Madame Driant
Tristan
Cadoret
Nadia
Le commissaire
Madame Barsac
Monsieur Barsac
Jean-Pierre
L'homme marié
Monique
Christine