明朝成化年(nián )间，朝(cháo )纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出(chū )，接(jiē )连铲除东厂(chǎng )数名奸(jiān )佞，致(zhì )令阉贼胆战心惊。适值此时(shí )，风头(tóu )正(zhèng )劲的西厂