At the end of the Northern Song, Censor Shen Yanzhi is falsely accused of treason, and his entire family is wronged. Shen Qingci, one of the women of the family, escapes with a secret letter and unexpectedly stumbles into a shocking conspiracy: Prince Duan is colluding with the Liao to seize power by ceding the Sixteen Prefectures of Yanyun. Three jade pendants carved with mythical beasts lead her to former members of the Loyal Guard, while a secret hidden in the layers of a letter reveals the full extent of corruption at court. With no golden finger or System to rely on, she sets out with only her frail self, traveling the postal roads, braving Bianjing, and fighting the rebels, holding fast to her principles amid the clash of blades. Court intrigue and a nation in turmoil leave her facing desperation at every turn, with every choice affecting the lives of countless people. See how she draws together the loyal and upright, unravels the mystery, protects the vast lands of the Great Song, and restores clarity to the realm.