Across the United States, an astonishing 100,000 individuals are held in solitary confinement, a situation that has drawn attention from both President Obama and the Pope. Located in a remote part of Virginia, 300 miles from the nearest city, Red Onion State Prison is one of more than 40 supermax facilities in the country designed to confine inmates in eight-by-ten-foot cells for 23 hours each day. This compelling documentary, filmed over a year, weaves together stark visuals of the prison, narratives from correctional officers, and personal insights from the men living in isolation. The prisoners recount the journeys that brought them to incarceration and their ongoing battles to preserve their mental health.