明朝成化年(nián )间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野(yě )内(nèi )外(wài )噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等流亡剑客挺身而出(chū )，接连铲除东厂数名奸佞，致令(lìng )阉贼(zéi )胆战心惊。适值此时，风头(tóu )正劲的西厂