明朝成化年(nián )间(jiān )，朝纲腐败(bài )，奸邪当(dāng )道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出(chū )，接连铲除东厂数(shù )名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲的西(xī )厂