明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪(xié )当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数(shù )名奸佞，致令(lìng )阉贼(zéi )胆战心惊(jīng )。适值此时，风头正(zhèng )劲的西厂