明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白(bái )，陷害忠良，朝野内(nèi )外(wài )噤若寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身(shēn )而出(chū )，接连铲除东厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值此时，风头正劲的西厂