明朝(cháo )成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客(kè )挺身(shēn )而出，接(jiē )连铲除东厂数名奸(jiān )佞，致(zhì )令阉(yān )贼胆战心惊(jīng )。适值此时(shí )，风头正劲的(de )西(xī )厂