In the 13th year of Hongwu in the Ming Dynasty, when the aftermath of the Hu Weiyong case was still lingering, this time point not only had the atmosphere of the new dynasty but also concealed a political crisis, providing a rich historical background for the development of the story.
- **Location setting**: Taking the Nanjing Imperial Palace as the core scene, it gradually expanded to the northern frontier fortress and the Jiangnan market, showing the style of all social classes in the early Ming Dynasty.
- **Basic Background**: The protagonist travels through time and becomes the fictional ninth son of Zhu Yuanzhang, Zhu Su, and unfolds the story within the framework of real historical events. It not only retains major events such as the Lan Yu Case and the Battle of Jingnan, but also shows the collision between modern thinking and ancient systems through the perspective of the protagonist.
