Le Zhishi, who lost her parents due to an accident, has lived in Song Yu's home since she was three years old. She has been cared for by Song Yu's parents meticulously, and grew up healthy and happy. Le Zhishi lived under the same roof. It wasn't until the opening ceremony that Le Zhishi, who had a sudden allergic asthma, fell to the ground in full view, and Song Yu, who was giving a speech, rushed off the stage, and everyone knew about their relationship.