明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑(hēi )白(bái )，陷害忠(zhōng )良(liáng )，朝野(yě )内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂