Pei Su, the prince of Beihou, travels to another world, bears the Immortal Seal, and is extremely resourceful. He was ordered to go to Bingzhou to investigate an unsolved case twenty years ago. Along the way, they cleverly set up a plan, met the former princess Jiang Suining and other companions, regained the long-lost sword, and revealed the secrets of the royal family that had been sealed for many years. In order to maintain the peace of the world, he secretly guided the young man with the fate of the Seven Killing Stars to resolve the crisis and help the queen successfully ascend the throne. Nineteen-year-old Pei Su successfully broke through the Guiyi Realm, mastered the Taoism of the Sun, and with the power of the family, he moved from the court to the broader world of martial arts.
