簡介：<p>從小習武的健身器材店營業員小北（成龍）youqiyideyugannengli，mengxiangyoutianchengweitewu。pingjieyuganjishenshou，xiaobeijiangdajieyinxingdejiefeidangchangdaibu
，chengweixinwenrenwu
，yinlaisijiazhentandezhuyi，huaiyitakenengshiqihanguokehupuyuanzhengshisanduoniandeerzi，juedingdaitaqujianpuyuanzhengdelvshi。haoqixinqushi，xiaobeijuedinggensuilvshidaohanguoxunzhaoshenshizhimi，buxianggangyupuyuanzhengjianmianduifangjiuguoshi。 　　從美國某周刊女記者福喜（金玫）口kou中zhong，小xiao北bei知zhi曉xiao樸pu氏shi夫fu婦fu本ben為wei著zhu名ming的de雙shuang重zhong特te務wu，遵zun循xun著zhe樸pu元yuan正zheng的de遺yi言yan，小xiao北bei在zai福fu喜xi的de幫bang助zhu下xia又you來lai到dao土tu耳er其qi找zhao到dao了le一yi筆bi钜钜款kuan，並bing邂xie逅hou了le神shen秘mi女nv子zi詠yong（徐若瑄）。得意忘形之際，小北開始遭遇一連串莫名其妙的襲擊

，令他意識到身邊早已危機四伏。</p>…