明朝成化年(nián )间，朝纲腐败，奸(jiān )邪当道。西(xī )厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰(shì )）等流(liú )亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞(nìng )，致(zhì )令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂