明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦(huàn )官(guān )把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑客(kè )挺(tǐng )身而出(chū )，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头(tóu )正劲的西厂