Under the prosperity of the Tang Dynasty, fission occurred secretly. Five years after Tianbao, Liu Ding woke up with the memories of later generations and witnessed the grand scene of millions of people in Chang'an and famous generals guarding the border. He also glimpsed the crisis of Li Linfu's dictatorship and An Lushan's momentum. As a refugee, he struggled to take root and move forward against the trend in the waves before the end of the prosperous Tang Dynasty.