Shu Cheng was defeated in the war between Chu and Mo, and for various reasons became the soul weapon of Mo Hui, the fifth princess of Mo. Shu Cheng, who lost his self-consciousness, followed his sister Mo Ru back to Mo. Facing her lost sister, Mo Ru was happy and worried. In order to protect her relatives and the country, she gave up medicine and joined the army, constantly suppressed and sacrificed herself, and even had an arm cut off to protect Mo Hui. However, the storm was brewing, and all this seemed unable to stop the turbulent situation.