明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有(yǒu )赵怀(huái )安（李连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼胆战心惊(jīng )。适值此(cǐ )时，风(fēng )头正劲的西厂