明朝成(chéng )化年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦(huàn )官(guān )把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身(shēn )而(ér )出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头(tóu )正劲的西厂(chǎng )