Crisis of Song Dynasty

[Historical imagination + suspenseful investigation + court intrigue + no system + no time travel] In the second year of Xuanhe of the Song Dynasty, the seemingly prosperous Bianjing was surrounded by dangers and mysterious crimes occurred frequently! On the eve of the cold food, the red dragon split the sky and the mountains and rivers shook. Everyone in the dynasty called it auspicious, but little did they know that the dragon vein of the Song Dynasty had collapsed, and the national destiny only had seven years left! The ghost of the Empress Dowager suddenly appeared in the deserted palace, and court officials died tragically among them; then a series of murders occurred in Bianjing, with the deceased completely missing their flesh and blood, their meridians as silk, and their corpses as shadow puppets; the envoys of the Liao Dynasty suddenly died in the post house, and the fairies on the embroidered screen given by the emperor had ferocious faces, saying that the embroidery ate their souls; at this time, a tonic called "Wuliangshou Drink" was quietly popular in Bianjing... The descendants of Kou Zhun, the famous Prime Minister, Kou Yun, the Imperial City Secretary, and Jiang Siyuan, the heir of the Mohist family, are strong and soft, wise and wise, and they peel off the cocoons and uncover the layers of truth. Not only do they have to face the strife and intrigues of the court, but they also have to resist the gaze and prying eyes of foreign enemies; they also have to find a glimmer of hope for this prosperous dynasty that once had the magnanimity of heaven. The seven-year countdown has begun, can they do it?