明朝成化(huà )年(nián )间，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠(zhōng )良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风(fēng )头正劲的西厂