明(míng )朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑(jiàn )客挺身而(ér )出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊(jīng )。适值此时，风头正劲的西厂