Gu Qing, a college student, and Ye Manxi, a turtle doctor, met because of a fun online shopping trip. Gu Qing fell in love at first sight, but Ye Manxi was always neither cold nor hot, far and near. The timid Gu Qing was about to give up, but fate brought the two together again. Ye Manxi was assigned to be the school doctor at Gu Qing's school. After contacting Gu Qing many times, he realized that Ye Manxi had no feelings for him. Just when the two were about to confess their feelings, Gu Qing discovered that there was another person living in Ye Man's heart, a boy who looked exactly like him, Lin Fei. Gu Qing once again flinched in the face of love. Does Ye Manxi love herself or Lin Fei's substitute...