明朝成化年间，朝纲腐(fǔ )败(bài )，奸邪当道(dào )。西厂东(dōng )厂为宦官把持(chí )，混(hún )淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀安(ān )（李连杰 饰）等流亡剑客(kè )挺(tǐng )身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂