明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷(xiàn )害忠良，朝野内(nèi )外噤若寒蝉。时有(yǒu )赵(zhào )怀(huái )安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲的西厂