With awe and obsession with history, ordinary young people accidentally traveled to the battlefield to resist U. S. Aggression and aid Korea in 1950. In the ice and snow, the war in Changjin Lake was raging, and the sight of the volunteer soldiers fighting bloody battles deeply shocked him. With modern items and knowledge, he shuttled through the hail of bullets, provided key support to the troops, and shared life and death with his comrades such as Zhao Weiguo and Xiao Sichuan.
