Jim Brannigan is sent to London to bring back an American mobster who is being held for extradition but when he arrives he has been kidnapped which was set up by his lawyer. Brannigan in his American Irish way brings American law to the people of Scotland Yard in order to recapture this mobster with both A price tag on his head and a stuffy old London cop to contend with. 　　译文(2): 吉姆 · 布兰尼根被派往伦敦将一名被引渡的美国黑帮分子带回，但当他到达伦敦时，他已经被他的律师设计绑架了。布兰尼根以他美国爱尔兰人的方式将美国法律带给了苏格兰场的人民，为了重新抓住这个头上挂着价格标签的暴徒和一个古板的伦敦老警察。