明朝成化年间，朝(cháo )纲腐败(bài )，奸邪当道(dào )。西厂东(dōng )厂为(wéi )宦官把持(chí )，混淆黑白，陷害忠良，朝野内(nèi )外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊(jīng )。适值(zhí )此时，风头正劲的西厂