In Germany, Hans Beckert is an unknown killer of girls. He whistles Edvard Grieg's 'In The Hall of the Mountain King', from the 'Peer Gynt' Suite I Op. 46 while attracting the little girls for death. The police force pressed by the Minister give its best effort trying unsuccessfully to arrest the serial killer. The organized crime has great losses due to the intense search and siege of the police and decides to chase the murderer, with the support of the beggars association. They catch Hans and briefly judge him. M的意义。犯罪与罪犯：司法权力的精神病学化。M is for movie。《M[凶手M]》表现主义。電影語言之Fritz LANG，几組精彩鏡頭。反思《M就是凶手》：危机中的德国文化。技术和表现，对于[M]的声音笔记。FIFF19丨DAY8《M就是凶手》：一双看上去快瞪爆了的眼球，由社会所造。几点笔记。。叙事结构的创新与深度—<M>。 一名针对小女孩作案的连环杀手（Peter Lorre 饰）出没，城中人心惶惶。警察全体出动，频繁突击检查。黑帮首领（Gustaf Gründgens 饰）因生意受到严重影响，决定利用乞丐的隐蔽性布下天罗地网。卖气球的盲丐（Georg John 饰）通过《在妖王宫中》的口哨声辨出了杀手，他的同伙（Carl Balhaus 饰）趁机将“Mörder”的首字母“M”标记在其背上。虽然警方锁定了杀手的住处，但杀手被乞丐围困于商业大厦，成了瓮中之鳖。深夜，在黑帮私设的法庭上，杀手会为自己作出怎样的辩护？
