明朝(cháo )成化年间(jiān )，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰(shì )）等流(liú )亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战心(xīn )惊。适(shì )值此时，风头正(zhèng )劲(jìn )的西厂