Yun Lin, a junior high school student who was taking the physical education entrance examination, was knocked unconscious by a solid ball and went to the country of Ling, where she became the ten-year-old princess Shangguan Lingzhen. She met the inferior and timid Cheng Yihan and the considerate and gentle Han Feng. She became the queen at the age of thirteen and managed the country with Cheng Yihan and Han Feng accompanying her. What will be the outcome of the love between them? What will happen? …