明朝成化年(nián )间，朝纲腐败，奸(jiān )邪(xié )当道。西(xī )厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲(jìn )的西厂