It tells the story of Li Mo, a graduate student in electrical engineering, who travels back in time to the end of the Eastern Han Dynasty during the Yellow Turban Uprising due to a laboratory accident. He accidentally used a homemade Leyden bottle to create the illusion of "Thunder Lord Appearing", and was named "Thunder Lord Envoy" by Zhang Jiao, helping the Yellow Turban Army win the first battle.
After Zhang Jue died of illness, Taiping Road fell into civil strife. Zhang Bao and Zhang Liang fought for power, and the army took the opportunity to pursue them. At the critical moment, Li Mo defied all opinions and led more than 50,000 Yellow Turban troops (including 20,000 strong men and 30,000 old, weak, women and children) to retreat from Julu County. On the way, he overcame crises such as shortage of food and grass and unrest in the team, and skillfully used "Thunder Cannon" and ambush tactics to repel Lu Zhi's pursuers many times. After going through hardships and dangers, he led everyone to march to Montenegro, hoping to use this place as a new base to regroup.
The story combines elements of history and light science fiction, and uses humorous writing to depict the scene of survival in troubled times. It shows Li Mo's journey of using modern knowledge and wisdom to deal with power conflicts and survival challenges, leading people and soldiers to find hope. It is full of tense battles and interactions with vivid characters.
