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）的热心援助和循循善诱下，他决心痛改前非，从新做人。但信仰“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，处处与他为难刁难，最终逼得他走投无路，毕竟掉控杀死了警长杰特勒。经由刻毒、教条的法庭的审判后…

一架试飞的协和号超音速飞机在飞往伦敦途中忽然坠进大海，机组人员中仅有一空姐幸免于难。此次空难是美国纽约的一个国际飞机制作公司为独霸飞机市场而阴谋策划的，一可骇构造得悉了内幕，囚禁了幸存的空姐，高价勒索纽约公司。　　第二架满载乘客的协和号飞机又将腾飞，纽约公司孤注一掷，再施魔手。为粉碎其阴谋，摩西与纽约公司和黑帮构造展开…

Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the fol…