明朝成化年间，朝(cháo )纲腐败，奸邪当道(dào )。西厂东厂为宦(huàn )官把持，混淆黑白，陷(xiàn )害忠(zhōng )良，朝野内(nèi )外噤若寒蝉(chán )。时有赵怀安（李连(lián )杰 饰）等流亡(wáng )剑客挺(tǐng )身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西厂