On the day the city was besieged by the enemy, Shen Zhao detonated the enemy camp and blew up the emperor's dragon chair into the sky. In the blood and fire, Xie Yanzhi, an orphan from the previous dynasty, appeared, the female medical officer Liu Fuyan showed the ancient curse diagram, and the Imperial Army Commander Xiao Changfeng quietly turned his back. Under the dragon chair, there are secret firearms and blood sacrifice contracts that can overthrow the dynasty. Shen Zhao's explosives are not the end, but awakening the sleeping gears - imperial power, technology and bloodline, which are being reforged.