明朝(cháo )成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连杰 饰）等(děng )流亡剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )