明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为(wéi )宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内外噤若(ruò )寒(hán )蝉。时有赵怀(huái )安（李连(lián )杰(jié ) 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值(zhí )此(cǐ )时，风头正劲的西厂