明朝成化年(nián )间，朝(cháo )纲腐败，奸邪(xié )当道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸(jiān )佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂