According to a 2016 Johns Hopkins study, more than 250,000 people in the United States die from medical error every year, making it the third leading cause of death in the country. HBO documentary, "," examines the harsh reality of medical errors. Telling the story of Judie who took a fall in Nov. 2009, following a hip replacement earlier that year. It was just a partial hip replacement. But a few short months later, Judie was in a coma with permanent brain damage.