明朝成化年间(jiān )，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉(chán )。时有赵怀安（李连(lián )杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲除(chú )东厂数名奸佞，致令(lìng )阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂