Era coordinates: The story begins in the winter of the twenty-fifth year of Kaiyuan (737). After Concubine Wu Hui died of illness and Prince Li Ying was deposed and executed, Li Heng had just been established as the crown prince. It ended around the fall of Chang'an and the Maweipo Incident during the Anshi Rebellion in the fifteenth year of Tianbao (756). Spanning nearly twenty years, it covers the complete arc of the Tang Dynasty from its peak to its decline.
Identity of the heroine: Li Lingyue, the daughter of Zhenyuan General Li Chong, Xing Qi, known as "Qiniang". In his previous life, he was a strategic consultant for modern enterprises, and he traveled back to the body of a fifteen-year-old girl. His father died in the battle with Tubo at Shuofang. His elder brother Li Hong indulged in drinking and debauchery, and the family fell into decline.
Core conflict: A woman with modern thinking tries to preserve her family, build a career, and find herself amidst the prosperity and undercurrents of the prosperous Tang Dynasty, but she is inevitably involved in the power game between the prince Li Heng and the longevity king Li Mao. Her modern business thinking and martial arts talent make her a key chess piece in the competition between the two sides; and her completely different emotions towards the two men will tear her life apart.