明朝成(chéng )化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混淆(xiáo )黑白，陷害(hài )忠良，朝(cháo )野内(nèi )外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心(xīn )惊(jīng )。适值此时，风头正劲的西厂