A gangster is caught and arrested by police. When he's being transported by bus -- filled with innocent civilians -- it's hi-jacked by his gang in attempt to free their boss. They hide out. As the authorities close in they threaten to torch...
故事讲述在纳粹占领下的罗马，三个盟军战俘（一个是俄罗斯人，一个英国人，一个美国人），从关押他们的集中营营地逃脱，隐藏在罗马郊外的一个修道院，发生了一系列……
