In episode 36, when Feng Xueru was dying, he entrusted his son Didi to Ma Zhanshan and asked him to find a husband, Chu Huairen.

When Ma Zhanshan returned to the provincial capital, Toshiko sent Didi to Tianjin and wrote to Yu Xuezhong, governor of Hebei Province, asking him to find Chu Huairen on his behalf. When Wei Guoqing came back, he reported Agatha's murder. Hearing this, Ma Zhanshan didn't take it to heart. After a little tidying up, he hurried back to the front with people.

Personal data:

Feng Xueru was then the confidential secretary of the provincial government and director of the financial department. Feng Xueru's only son was controlled by the traitor Zhao, and he was forced to become an undercover around Ma Zhanshan, making enemies with Ma Zhanshan everywhere. However, with in-depth contact with Ma Zhanshan, he was attracted by Ma Zhanshan's integrity and gradually influenced by Ma Zhanshan's patriotic feelings and national righteousness. In the choice and pain of his home country, he finally chose to stand on Ma Zhanshan's side, sacrificed heroically and died for love.