The film is based on the real events of COVID-19 epidemic prevention and control struggle, with Jinyintan Hospital as the core story background.

At the same time, relying on tongji hospital, pulmonary hospital, wuhan union hospital, Wuhan University People's Hospital (Hubei Provincial People's Hospital), Huoshenshan Hospital, Fangcang Hospital and other brother units, and taking Wuhan medical staff and medical teams in various provinces and cities across the country as prototypes, we recorded a magnificent and arduous struggle against the epidemic.