明朝成化(huà )年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官(guān )把(bǎ )持，混淆(xiáo )黑(hēi )白(bái )，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂