明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东厂为宦官(guān )把(bǎ )持，混淆黑白，陷害忠(zhōng )良(liáng )，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲除东厂数名(míng )奸佞，致令阉贼(zéi )胆战心惊。适值(zhí )此时(shí )，风头正劲的西厂