明朝成化年间，朝纲腐(fǔ )败，奸邪当道(dào )。西(xī )厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连(lián )杰(jié ) 饰）等流亡剑客挺身而(ér )出，接(jiē )连铲除东厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适值(zhí )此(cǐ )时，风头正劲的西厂