明朝成化年间，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官(guān )把(bǎ )持(chí )，混淆黑(hēi )白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有(yǒu )赵怀安（李连(lián )杰 饰）等流亡剑客挺(tǐng )身(shēn )而出(chū )，接连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )