After starting their careers, Zhou Chengye unexpectedly reunites with her high school classmate, Qi Shangzhi, during a business trip. One is quiet and reserved, while the other seems carefree. They had secretly paid attention to each other during their youth but missed their chance for years because neither knew how to express their feelings. After reuniting, they gradually grow closer through work collaborations and the efforts of friends to bring them together. As they get to know each other again and finally open up about their feelings, they also slowly clear up the misunderstandings from the past. Zhou Chengye remains committed to her medical aspirations, while Qi Shangzhi promotes cooperation between technology and healthcare. Supporting each other in their respective careers, they eventually turn their youthful crush into a lasting companionship.