明朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑(hēi )白，陷(xiàn )害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有赵(zhào )怀(huái )安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂