Tristan 2003
Directed by Philippe Harel | Starring: Mathilde Seigner, Nicole Garcia, Jean-Louis Loca, Jean-Jacques Vanier
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.