明(míng )朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑(hēi )白，陷害忠良(liáng )，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连(lián )杰 饰）等(děng )流亡剑客挺(tǐng )身而出，接连铲除东(dōng )厂数(shù )名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂