明朝成(chéng )化年间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉(chán )。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑客(kè )挺身而(ér )出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心惊。适值(zhí )此时，风头正劲的西(xī )厂