明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东厂为(wéi )宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客(kè )挺身而(ér )出(chū )，接连铲除东厂数名奸佞，致(zhì )令阉(yān )贼胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂(chǎng )