明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )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（李连杰 饰(shì )）等流亡剑客挺(tǐng )身而出，接连铲除东(dōng )厂数名(míng )奸佞，致令阉(yān )贼胆战心惊(jīng )。适值此时，风头(tóu )正(zhèng )劲的西厂