The Jokhang Dynasty was established for a hundred years and its capital was Yanjing. There is the Chidi tribe in the north who is watching with eager eyes, and there are rebellions in Jiuxi and Shibadong in the southwest. Gu Yan was assassinated three times while investigating a military pay corruption case in Qingzhou. On his way back to Beijing, he rescued the witnesses who were being hunted. Facing difficulties from the Minister of Household Affairs at the court meeting, he presented irrefutable evidence in court. However, when the key witness suddenly recanted his confession, he discovered that there was a deeper conspiracy behind the military pay case...