Wang Jingxuan picked up a "soul-suppressing contract" on the war-torn border, but Luo Zixi read from the ancient hexagram that it pointed to the blood debt of the country's fate. Using metaphysics as a blade and evidence as a shield, the two track down the "real murderer" between true and false intelligence and the remnants of the sacrifice array, step by step turning revenge into a compass that can change the situation of the war.