The protagonists of the story are Dr. Zhang Yijian from On Call 36 Hours and Han Zijing (Ma Miao) from Weibo Master. The background of the article is outside the two dramas. Dr. Zhang has not yet become a knife in the hospital. Zijing and Guo'er are still ordinary students. They have been meeting in the hospital since the first episode. They are a pair of happy enemies, and they are relaxed to the article.