明朝成化年间，朝(cháo )纲腐败，奸邪当道(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(hán )蝉。时(shí )有赵怀安（李(lǐ )连(lián )杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数(shù )名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )