明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等(děng )流(liú )亡剑客挺身而出，接连铲除东厂数(shù )名奸(jiān )佞，致令阉(yān )贼胆战心(xīn )惊。适(shì )值此时，风头正劲的西厂(chǎng )