明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷(xiàn )害(hài )忠(zhōng )良，朝野(yě )内外(wài )噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡(wáng )剑客挺身而出(chū )，接连铲除东厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西(xī )厂