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。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）。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。
Gilang is an extra actor who has been in the film industry for 10 years. Gilang always gives too much extra effort so he is blacklisted by many directors and casting directors. Excessive effort makes Gilang always run out of money to invest in his extra roles. Gilang loves a Citra award actress named Rachel Hesington. Unfortunately, Rachel is dating a rising actor, Kevin Sumitro. Kevin is the son of a wealthy businessman named Mr. Nedy Sumitro. Mr. Chen, a mining entrepreneur, kidnaps Kevin and asks for a ransom of 100 billion. The kidnapping incident occurs at the shooting location. In the confusion, Kevin is kidnapped. The kidnapper thinks Gilang is Kevin. So Gilang and Rachel are also kidnapped. The director is also kidnapped. As the story progresses, Gilang manages to overcome all the obstacles that block him, using the knowledge he learned when he was an extra in many films.
Matt's fiance leaves him at the altar. Heartbroken, he goes on their planned Italian honeymoon alone. There he rediscovers his zest for life, food, and meets Gia who helps him find love again.
