明朝成(chéng )化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官把持，混淆(xiáo )黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数名(míng )奸佞，致(zhì )令阉贼胆战心惊(jīng )。适值(zhí )此时，风(fēng )头(tóu )正劲的西厂