明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混(hún )淆(xiáo )黑白(bái )，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵怀安(ān )（李连(lián )杰 饰）等流亡剑客(kè )挺身而出(chū )，接连铲除东厂(chǎng )数(shù )名奸(jiān )佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲(jìn )的西厂