艾索（艾迪•墨菲 Eddie Murphy 饰）是底特律黑白两道的大名人，身为警探，却也不时干些偷鸡摸狗的勾当，而且他侦办案件时经常不按程序办事，上司对他十分头痛。这天，艾索因为敲诈烟贩而差点被开除出去，幸亏好运气才免遭于难。 艾索偶遇了一位刚出狱的好友，这人带着巨额的德国债券来到了底特律。两人重逢后不久，艾索的这位朋友就被谋杀了。深谙此事不简单，艾索开始了调查。他独自一人追踪嫌疑人维克多来到了...
In a time now lost in the mists of memory, the great King Arthur rules in the legendary citadel that is Camelot. His Knights of the Round Table perform acts of derring-do and spend their spare time ...