Lu Feiyu, a modern tech geek, traveled back to the Tang Dynasty and became a "little person" on the streets of Chang'an. As fate dictated, he rescued the Tang Emperor's most beloved princess in an accident and began a legendary life. He was named the Prince Consort. He not only had to deal with the exclusion of aristocratic families and assassinations from enemy countries, but also relied on modern wisdom to invent and create to help the Tang Dynasty's national power take off. At the same time, facing confidantes with different personalities, his life is both sweet, romantic and ironic... Can he write his own chapter on the prosperous stage of the Tang Dynasty?