明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦(huàn )官把持，混淆黑(hēi )白，陷害忠良，朝野(yě )内外(wài )噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑客(kè )挺(tǐng )身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西(xī )厂(chǎng )