Yang Zhengkang is a supporting character, the son of Mother Yang. He is the second-in-command of a certain municipal committee. He is anxious about his mother's strange illness, noting she has aged ten years in a few days. He confronts doctors at Shu City's City Hospital, demanding explanations for her worsening condition. He initially dismisses the idea of consulting the girl from the train but agrees to search for her as a desperate measure, planning to secretly seek renowned doctors. He is concerned about his mother's suffering and doubts the hospital's competence, criticizing their professional standards.
