The fictional dynasty "Da Chu" has gone through three hundred years of ups and downs. The imperial power has declined, vassal kings have separated themselves, and the power of the world has risen. On the surface, the capital Jinling is singing and dancing, but in reality there is an undercurrent - the regent Xiao Chengyu controls the government, the new emperor Xiao Xuance is young and has no power, and various forces are engaged in overt and covert struggles around the "Jinluan Chess Game". The so-called "Jinluan Chess Game" is said to have been left by the founding ancestor of the country. It contains a secret treasure that can subvert the world. If you get it, you can control the destiny of the country.