明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东(dōng )厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风头正劲的西(xī )厂