明朝(cháo )成化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为(wéi )宦官把持，混淆黑(hēi )白，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰(jié ) 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令(lìng )阉(yān )贼胆战心惊。适值此时，风头正劲的西厂(chǎng )