明朝成(chéng )化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害(hài )忠良，朝野(yě )内(nèi )外噤若寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东厂数名(míng )奸佞，致令阉(yān )贼胆战(zhàn )心惊。适值(zhí )此时，风头正劲的西厂(chǎng )