Modern teenager Qin Feng travels through the Qin Dynasty and mistakenly identifies Qin Shihuang Ying Zheng, who is patrolling incognito, as his biological father. Armed with modern medicine, improved sweet potato varieties, and advanced knowledge, he cured the First Emperor's illness, exposed the alchemy scam, and came up with high-yielding grain varieties and new military rations. He impressed the first emperor of the ages with his simplicity and filial piety, relied on his heaven-defying knowledge to overcome the predicament of the Qin Dynasty, helped the first emperor prolong his life, enrich his people and strengthen his army, and rewrite the fate of the second generation of the Qin Dynasty!
