明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西(xī )厂东厂(chǎng )为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺身(shēn )而出，接连铲除(chú )东厂数(shù )名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )