明朝成(chéng )化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官把持，混淆黑白(bái )，陷害忠良(liáng )，朝野(yě )内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客(kè )挺身而出(chū )，接连铲除东(dōng )厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂