M is a classic 1931 German crime thriller directed by Fritz Lang. It tells the story of a child murderer, Hans Beckert (Peter Lorre), who terrorizes the streets of Berlin. As the city becomes increasingly fearful and police intensify their search, the criminal underworld also decides to hunt down the killer, deeming his actions harmful to their illicit businesses. With its pioneering use of sound and shadow, "M" is a masterful exploration of societal paranoia and mob mentality. It is considered to be one of director Fritz Lang's best films. It is also heralded as one of the greatest and most influential crime films.
(Summary by FreeGreatMovies.com)