明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混淆黑白(bái )，陷(xiàn )害忠良，朝(cháo )野内外噤若(ruò )寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等(děng )流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令(lìng )阉(yān )贼胆战心(xīn )惊。适值此(cǐ )时，风头正劲的西厂