明(míng )朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持(chí )，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂