In the early years of Zhenguan, Lu Yu traveled to a tavern in the Tang Dynasty. The original owner's parents died. The original owner failed the scientific examination three times and committed suicide in Tiaohe. He was rescued by passers-by, causing his body to be time-traveled and occupied by the modern man Lu Yu. Along with Lu Yu, he also carried an inconspicuous jade tablet with him, and this jade tablet could command the Xuanjia Army in the Tang Dynasty. During one of Li Shimin's inspections, he came to the outskirts of Chang'an and happened to meet passers-by who rescued Lu Yu who had crossed over. At this point, the story of Lu Yu and Li Shimin begins...
