Henri-Georges Clouzot - Le Corbeau (1943)

In the village of Saint Robin, the population receives anonymous letters signed as The Raven spreading rumors and accusations. Dr. Remy Germain, who is having an affair with Laura, the wife of the psychiatrist Dr. Vorzet that works with him at the local hospital, is the main victim of The Raven. His affair is disclosed and he is also accused of abortionist. When a patient of the hospital commits suicide after receiving a letter telling that his cancer is terminal, the loathed nurse Marie Corbin is arrested since people believe she is The Raven. But soon there are other letters and Dr. Vorzet tries to identify who might be the notorious Raven.