In the winter of the third year of Kaixi (1207), at the darkest moment after the failed Northern Expedition, the protagonist, a 35-year-old modern history enthusiast with a master’s degree in history and five years of experience as a grassroots civil servant, transmigrates by accident into the body of Song Ningzong Zhao Kuo, the second son of Emperor Guangzong of Song. The ministers had raised him to the throne, but powerful courtiers had kept him under their control for years. Now the Northern Expedition has ended in disaster, Jin forces are bearing down on the border, Han Tuozhou has just been executed and his head is about to be sent to the Jin, Shi Miyuan is beginning to seize power, and the court and the people alike are gripped by panic.