sun hao had secretly ordered zhang yi (張弈), a military officer stationed in jiaozhi commandery, to kill lou xuan. however, zhang yi could not bear to kill lou xuan after seeing the latter's courageous behaviour in a battle against bandit forces. after zhang yi died, lou xuan collected his belongings and saw the secret order he received from sun hao and realised that zhang yi had defied the emperor's order and let him live. lou xuan then committed suicide.