明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官(guān )把(bǎ )持，混淆黑白，陷害忠良，朝野内(nèi )外噤(jìn )若寒(hán )蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞(nìng )，致令阉(yān )贼胆战心惊。适值此(cǐ )时，风头正劲的西(xī )厂(chǎng )