明(míng )朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠(zhōng )良(liáng )，朝野内外噤若(ruò )寒(hán )蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲(chǎn )除东厂数名(míng )奸佞，致令阉贼胆(dǎn )战心惊。适值此时(shí )，风头正劲的西厂(chǎng )