明朝成化年间，朝纲腐败，奸(jiān )邪(xié )当道。西厂(chǎng )东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀安（李连杰 饰(shì )）等流亡剑(jiàn )客(kè )挺(tǐng )身而出，接连铲除东厂数(shù )名奸佞，致令阉(yān )贼胆战心惊。适值此时，风(fēng )头(tóu )正劲的西厂(chǎng )