The historical story of an enemy fighting the wits and courage of an extraordinary brave group of ordinary heroes known as the "Lunan Railway Brigade" who desperately fight to defend their homeland.

During the tumultuous period of the Five Dynasties and Ten Kingdoms, three determined youths—Qian Hongshu, Zhao Kuangyin, and Guo Rong—navigate the chaos of political upheaval and war as they strive to overcome the suffering caused by endless conflict.