Duan: Duan's parents are former highway engineers, gentle and sincere. Go all out to seize strategic materials and maintain the smooth work of Yunnan-Myanmar highway. During this period, I also met my beautiful love, and later I was martyred with my wife in the work of maintaining the smooth flow of highways.
Duan Anguo: The second son of Duan Jia, who returned from studying abroad, is elegant and disdainful. He still went to the forefront of the war when the country was in danger, completing the continuation of his father's spirit and the nirvana of his own temperament.
Duan Zhenguo: The third son of Duan Jia is unruly and has a bumpy fate. Joining the "Bayonet" ranger, during the war, his outstanding military talents were fully demonstrated and he became a generation of anti-Japanese heroes. When the war was about to win, he was hit by a stray bullet and died heroically.