明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪当道。西厂(chǎng )东厂为宦官把持(chí )，混(hún )淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰(shì )）等(děng )流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞(nìng )，致(zhì )令阉贼胆(dǎn )战心惊。适值此(cǐ )时，风头正劲(jìn )的西厂