A milestone in the history of suspense cinema, with outstanding performances by Simone Signoret, Véra Clouzot and Paul Meurisse, Les diaboliques caused a huge stir when it was released, shocking audiences in both Europe and the USA. The film takes place in a boarding school for boys, where Michel Delasalle, the headmaster, terrorises everyone he comes across. United by their hatred for the man, Christina, his wife, and Nicole, his lover, plot his murder in one of the most remarkable works by Henri-Georges Clouzot, considered by many to be the French Hitchcock.