明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂(chǎng )东厂为宦(huàn )官把持，混淆黑白，陷害忠良(liáng )，朝(cháo )野内外噤若(ruò )寒(hán )蝉(chán )。时有赵(zhào )怀安（李连杰(jié ) 饰）等流亡剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西厂