明朝成化年(nián )间，朝纲腐(fǔ )败，奸邪当道。西厂东厂为宦官把(bǎ )持，混淆黑(hēi )白，陷害忠(zhōng )良，朝野内(nèi )外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连(lián )铲除东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战(zhàn )心惊。适值(zhí )此时，风头正劲的西厂