The sixteenth year of Zhenyuan, 800 AD.
Bohai, Khitan, Xi, Uighur, Tubo, Nanzhao... All look covetously at the Central Plains;
Lulong, Chengde, Weibo, Ziqing, Huaixi... The major vassal towns are still divided into one party;
The four towns of Anxi were isolated and helpless, trapped in Qiuci; Emperor Dezong was still drunk and dreaming, doing nothing but doing something;
But Liu Kun, who had just taken off his long robe and became Dong Ge's brother, unexpectedly came to the Tang Dynasty and became the eldest son of Lulong Jiedushi of Youzhou.
Seeing such a chaotic situation, Liu Kun wanted to do something, and even more wanted to witness the beginning of a new era...