Seven years ago, Shen Zhiyi left a message on the eve of graduation, "Wait for me when I come back" and disappeared. Seven years later, as a medical device engineer, she entered the Neurosurgery Department of Renji Hospital and discovered that her ex-boyfriend Fu Siyan, whom she had thrown away all his contact information, was already the youngest neurosurgery surgeon in the country. He has scars all over his body and his eyes have lost the youthfulness. He signed the equipment acceptance form in a formal manner, while she adjusted the surgical navigation with an expressionless face. But when the intraoperative navigation showed even the slightest deviation and she stopped the operation, what he saw behind the microscope was trust, not resentment. Competition director, technical ethics, overseas offers... After making choices again and again, they finally understood: Some reunions are not to come back again, but to confirm that each other has never left.
