At the end of the Han Dynasty, the imperial court collapsed and treacherous ministers pursued the emperor. The young general Yan Ke led his army and rescued the late emperor and the young prince. He immediately helped him ascend the throne and conquered the traitors in the name of "hunting on behalf of the sky." However, as his power grew, he gradually became an insurmountable shadow in the eyes of the emperor. The young master repeatedly swings between fear, dependence and unspeakable trust. Undercurrents surge in the court. An emotion wrapped in layers and a chess game that has been buried for many years finally push the two to face each other. When the truth and the blade come at the same time, how will they distinguish between them?