The narrative follows Tang Dynasty Xu Chen, who unexpectedly finds himself as the orphan of Emperor Taizong Li Shimin and Empress Zhangsun during the Tang Dynasty. He is the true Royal Highness, the eldest son who is not even mentioned in historical records! Concealing his identity, he dines in various households, witnesses the inconsistency of the world, and wields a technological production tree system. What level of ultimate prosperity will he bring to the Tang Dynasty? "Congratulations to the host! Hybrid rice technology has matured!" "Congratulations host! The design of the wool processing machine has been transmitted to the brain!" "Congratulations to the host! The Titanium God Armor has been deployed, and the combat power has reached 12,000, sufficient to conquer 10,000 foes!" … "Technology is the primary productive force, do you grasp what I mean?" Xu Chen stated with pride as he regarded the bewildered Li Shimin. Under his guidance, the Tang Dynasty is destined to become a genuine technological power!