明(míng )朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官把持(chí )，混淆黑白，陷(xiàn )害忠(zhōng )良，朝野(yě )内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼(zéi )胆战心惊(jīng )。适值此时，风头正劲的西厂