Anonymous Letters

Anonymous Letters (Anonyme Briefe) is a 1949 German drama film directed by Arthur Maria Rabenalt, and starring Käthe Haack, Tilly Lauenstein, and O.E. Hasse. It was shot at the Tempelhof Studios in West Berlin and on location in the city at the time of the Berlin Blockade. The film's sets were designed by the art director Willi Herrmann.

Synopsis
In Occupied Berlin the students at a drama school begin receiving anonymous letters threatening to reveal secrets about them. Considerable mistrusts grows amongst the students, culminating in one of them trying to kill themselves. Eventually the head of the school calls in the police to investigate.