明朝成化(huà )年(nián )间，朝(cháo )纲腐败(bài )，奸邪当道(dào )。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东厂数(shù )名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值此时，风(fēng )头正劲的西厂