明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白(bái )，陷害(hài )忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流(liú )亡剑客挺身而出(chū )，接连铲(chǎn )除东厂数(shù )名奸佞，致令阉贼(zéi )胆战心(xīn )惊。适值此时，风头正劲的西厂