明朝(cháo )成化(huà )年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠(zhōng )良，朝(cháo )野(yě )内(nèi )外噤(jìn )若(ruò )寒(hán )蝉。时有赵怀安（李连(lián )杰 饰）等(děng )流亡剑客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )