The world is divided into Chu, Wu, Wei and Zhao.
The story takes place in Chu State. The king of Chu State has an incurable disease. The third son Chu Yi, named Wu Nian, is the person with the best chance to inherit the throne of Chu State. However, because the Shen family is an important general of the country, and the eldest son of Shen Shen, Shen Si Chu Huai is deep and knowledgeable. He was ambitious, and although he was able to unify the country after taking the throne, he was not a wise king in the end.
When the king of Chu died, his concubine's son Chu Huaishen succeeded to the throne.
In the next six years, the country was unified.
Purpose: Politician's ambition