In the Wei Dynasty, the imperial power was in decline, factions in the court were constantly fighting, local vassal kings maintained their own troops, and there were powerful enemies from outside. The unpopular prince Xiao Chengjun lost his mother when he was young and struggled to get around in the palace. In order to survive, he had to endure and hibernate, secretly accumulating strength. With the assistance of counselor Xie Yunzhi, he gradually demonstrated his extraordinary wisdom and skill, and gradually disintegrated the conspiracy of the hostile forces. At the same time, he met Shen Qingyi, the legitimate daughter of the Shen family who was sent to the palace. The two supported each other in the power struggle and gradually developed a true love. However, the cruelty of the battle for imperial power is far beyond imagination. Xiao Chengjun not only has to face the open and secret arrows from the court, but also needs to beware of the ambition of the feudal king and the invasion of foreign enemies. In the end, can he break through the obstacles, ascend to the throne, and revive the Wei Dynasty? How will he face the choices between power and love, loyalty and betrayal?