<p>　　严肃机警的李探长（成龙 饰）和贫嘴的警探James Carter (Chris Tucker饰)，在成功完成两次的跨国任务之后，这次又迎来了更加艰巨的任务。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;　　调查“三和会”犯罪证据的韩领事被人暗杀，深感自责的李警官疯狂追击杀手，却被贬职当交警的James Carter帮了一个倒忙，理所当然，他们二日的奇特组合又开始 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;　　一方面，按照韩领事的线索，他们到了巴黎——这个“三和会”千方百计隐藏的心脏地带，克服重重困难，探索真相；另一方面，他们还要保护韩领事长大成人的女儿苏阳（张静初），而杀手，却是李探长小时候在孤儿院的好兄弟Kenji（Hiroyuki Sanada 饰）。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;　　重重危机之下，二人如何应对？尖峰时刻，李探长的中国功夫将扭转乾坤。</p>