明朝成化年间，朝纲腐败，奸邪当道(dào )。西(xī )厂东厂为宦官把持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连杰(jié ) 饰）等流(liú )亡剑客挺身而(ér )出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂(chǎng )