明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混淆黑白(bái )，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑客(kè )挺身(shēn )而出，接连铲除东(dōng )厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头(tóu )正(zhèng )劲的西厂(chǎng )