明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有(yǒu )赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客(kè )挺身(shēn )而出(chū )，接连铲除东厂(chǎng )数名(míng )奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正(zhèng )劲的西厂