This is a full-length novel reflecting the heroes of the age. The author takes the spiritual growth of a teenager call Guo Lu as the clue, takes the meticulous treatment of the patients by Guo Lu’s father and other medical workers in Wuhan Hospital as the second clue, and exhibits the medical staff’s fearlessness of death, the volunteers’ selfless dedication, and the unity and solidarity of all Chinese people to overcome the difficulties with the positive and vigorous style or writing.