Lu Zhen encountered a car accident on her way to visit her critically ill mother. Lu Zhen's life will undergo unexpected changes due to a car accident... At that time, the Tang Dynasty was in the midst of a change of dynasties after the death of Li Shimin. After the new emperor ascended the throne, the political power in the DPRK was unstable, and the prime minister of the dynasty assisted the new emperor in handling government affairs. The origin of the story took place during that period. With the Tang Dynasty's foreign exchanges, folk customs were relatively open. At that time, folk commerce was already prosperous. Westerners with blue eyes and yellow hair and Koreans wearing black dome hats appeared in Chang'an Street from time to time. Most of these people were interested in silk and handmade woodware. At the same time, we also bring a variety of local items to the local area.