In the early days of the Song Dynasty, Mideast the political instability caused by internal and external troubles, the Khitan envoys' massacre incident and the kidnapping of the Sanongjing incident occurred one after another. The commander of the imperial guard, the Shinwigun, Gu Ling, struggles to resolve the two incidents together with the Song capital's Bianliang government office's chief, Seong Gi-pong.—d