明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤若寒(hán )蝉(chán )。时有(yǒu )赵怀安(ān )（李连杰 饰(shì )）等流亡剑客(kè )挺身而出，接连铲除东厂数(shù )名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头(tóu )正(zhèng )劲的西厂