明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑客挺(tǐng )身(shēn )而(ér )出，接连铲除东厂数名奸(jiān )佞，致令阉贼(zéi )胆(dǎn )战心惊。适(shì )值此时，风头正劲的西厂