明朝成(chéng )化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把(bǎ )持(chí )，混淆黑白，陷害忠良，朝野内(nèi )外噤若寒蝉。时有赵(zhào )怀(huái )安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东(dōng )厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂