Su Muyu, a modern young man, accidentally encountered a car accident while driving, and when he woke up, he transformed into the prince of the Tang Dynasty who was derided by everyone. When he first arrived, he was ridiculed by everyone, but he skillfully used 21st century scientific knowledge and amazed everyone with his skill in solving arithmetic problems at the banquet. He also won the emperor's appreciation with novel inventions such as compasses and hot-air balloons. However, the road to reform was full of thorns. The emperor's uncle secretly colluded with the ministers to make things difficult, and the nobles also opposed it. As the border war breaks out, can Su Muyu use the power of technology to turn the tide and start a counterattack legend unique to him in this ever-changing Tang Dynasty?
