Every day at the COVID-19 ward of St. Marianna University Hospital is a desperate struggle for life. With no established treatment plan for this unfamiliar virus, the staff are essentially fighting in the dark. But they have faith in their patients' will to survive. The doctors say some have made recoveries that are nothing short of miraculous. An NHK crew spent two-and-a-half years following the staff and patients of the COVID ward. This is the chronicle of one hospital's long battle against the coronavirus.