During the self-defense counterattack against Vietnam, Zhao Da Sheng, a reconnaissance company commander, lost his memory and was saved by comrades. His friend, Yu Zhong Jun, believing Zhao had died, took care of Zhao's wife, Wang Yu Lan, and son, Zhao Xiao Jun, leading to a new family. Years later, Zhao regains his memory and returns home, only to find his wife remarried. With little time to address his personal life, Zhao is assigned to lead an investigation into a hazardous chemical explosion at Yangpu Port. As a member of the Dongjiang City Discipline Inspection Commission, he uncovers deep political and military connections, complicated by the rise of his former comrade as mayor. (Source: MyDramaList)