Chen Mu, a graduate student in the Department of History, accidentally traveled to the late Eastern Han Dynasty and possessed a low-level soldier guarding Beiwang garrison. In this dilapidated earth fort, there are only ten people including Zhang Kui, the commander, Chen Tou, the veteran, and Lao San, the marksman. Faced with the siege of hundreds of Taiping Dao thieves, Chen Mu went from being frightened and collapsed to calmly responding to the challenge. He fought for his life with the robes and defeated powerful enemies many times. From then on, Chen Mu embarked on the road to survive in troubled times. In the blood and fire of the battlefield, witness the cruelest humanity and the most sincere brotherhood.