This drama tells the story of the emperor's grandson Yang Feng (the king of soldiers who traveled through time) who was sent to Yanzhou by his biological father to die, and the world collapsed at the beginning. He relied on means to stabilize Yanzhou, recruited old soldiers, fought against powerful officials, defeated the Eastern and Western Xiongnu, relied on military exploits and strategies to reverse the defeat, and fell in love with Situ Qian. Later, evidence of the prince's crimes such as poisoning, collaborating with the enemy, and false edicts were revealed in the court. The prince was deposed and Yang Feng was named the emperor's grandson. At the end, the deposed prince is still plotting to make a comeback while in exile, and the seizure of his heir is not yet complete.