明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒(hán )蝉。时有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺(tǐng )身而出，接连(lián )铲除东厂数(shù )名奸佞，致(zhì )令阉(yān )贼胆战心(xīn )惊。适值此时，风头正劲的西厂