Les Diaboliques (The Fiends) was a top grossing film in 1955. Clouzot shrouded his film in mystery, beseeching his audience not to give away the ending. He also radically changed the original story of Boileau and Narcejeac's novel (Celle qui n'etait plus), heterosexualising the original lesbian plot. His film demonstrates how to imply, rather than show, horror, keeping the spectator in a state of continued suspense, only releasing us in the few final...