Yanyun Spy Video Recording: Lost Clouds in the River

In the seventh year of Xuanhe in the Northern Song Dynasty, Xiao Ce, a general from Liao Dynasty who returned to Song Dynasty, was ordered to investigate the theft of weapons in Hejian Prefecture, but he was involved in a mysterious espionage war spanning the Song, Liao and Jin kingdoms. A chi pattern jade pendant, a mysterious organization "Chi Shadow Guard", a shocking conspiracy against the border... He must join forces with Su Yan, a scholar whose identity is a mystery, and Jie Linge, a copycat girl who is both wise and brave, to uncover the mystery and keep the slim chance of survival for his family and country amidst the swords and shadows and the court's conspiracy.