Lu Zhen, the Northern King of Dayong Town, who had been guarding the border for many years, was seriously injured and bedridden due to overwork. His family encountered difficulties one after another, and the family was living in poverty. During the heavy snowfall, Princess Shen Wan met Suisui and brought her back to live with her in the mansion. She was gifted with the ability to identify the charm of various treasures and found rare medicinal materials, precious metals and key documents many times to help her family tide over the difficulties, and also helped several young masters recover from their injuries. Individual officials in the DPRK had selfish motives and created obstacles one after another. All selfish plans were exposed and the truth was made public. Lu Zhen took charge of the overall situation in compliance with the expectations of officials and people, and was granted the title of princess every year. The family supported each other to develop their business steadily, and ushered in a new life of peace and prosperity.