影片以第一次世界大战为背景，讲述三名法国俘虏在德国集中营越狱的故事。 　　三名法国飞行员在一次任务执行中被德军击落，波迪奥、迈克和罗森塔尔三人被带到战俘集中营。波迪奥与德军监狱长罗芬斯坦都是贵族出身，有着共同的政治见解，二人在狱中成为朋友。三人随后发现狱友正进行越狱计划，他们挖出一条逃跑的通道。迈克和罗森塔尔也加入了挖掘行动。最后他们集体越狱，德军全力追捕，在逃亡中，波迪奥被罗芬斯坦击倒，两名法国俘虏迈克和罗森塔尔逃到一个德国农妇家中，在她的帮助下，二人经过种种波折逃到瑞士。 　　本片是最早的越狱片之一，被评为最伟大的“越狱电影”之一，同时也是导演让·雷诺阿的反战杰作。During 1st WW, two French officers are captured. Captain De Boeldieu is an aristocrat while Lieutenant Marechal was a mechanic in civilian life. They meet other prisoners from various backgrounds, as Rosenthal, son of wealthy Jewish bankers. They are separated from Rosenthal before managing to escape. A few months later, they meet again in a fortress commanded by the aristocrat Van Rauffenstein. De Boeldieu strikes up a friendship with him but Marechal and Rosenthal still want to escape...