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Zhu Changfu's treasured son, who was also his only child, was named Zhu Chengzhi.
Zhu Changfu had dropped out of school early in life, a regret he always carried. When he had his cherished son, he constantly urged him to study hard. Zhu Chengzhi did not disappoint, always ranking at the top of his class. He skipped several grades and at sixteen, was admitted to one of the country's top universities. He later successfully continued his studies into a doctoral program. Before the apocalyptic world began, he entered the National Research Institute to assist his mentor with research as a doctoral student.
After the apocalyptic world commenced, father and son lost contact. Since the Research Institute was in the north, Zhu Changfu always believed his son had gone to the Beicheng Base. Unexpectedly, due to a series of mishaps, Zhu Chengzhi followed his mentor to the Yunan Base and later became separated from his teammates while returning to the Beicheng Base.
