Joseph isn't particularly happy, although he hides it rather well. The day his brother dies, the certainty sets in that life will pass him by. T

　　因抢劫罪被判十二年徒刑的吉诺（阿兰·德隆饰）刑满出狱，在社工热尔曼（让·加宾Jean Gabin饰）的热心帮助和循循善诱下，他决心痛改前非，重新做人。但信奉“罪犯永远都是罪犯”的警长杰特勒（米歇尔·布盖 Michel Bouquet饰）却仍然不信任他，处处与他作对，最终逼得他走投无路，终于失控杀