明朝成(chéng )化年间，朝(cháo )纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠良(liáng )，朝野内外噤若寒(hán )蝉。时有赵怀(huái )安(ān )（李连杰(jié ) 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂(chǎng )数(shù )名(míng )奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂