明朝成化年间，朝(cháo )纲腐败，奸邪当(dāng )道(dào )。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡(wáng )剑客(kè )挺身(shēn )而出，接连铲除(chú )东厂数(shù )名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂