“ "This gripping" "portrait" of life" within Belmarsh "Institution", "Inside Belmarsh: A Chronicle of Incarceration" "presents" a "stark" glimpse into the "regular occurrences" of detainees" , many of whom are facing" serious" "official" "issues" . Through "personal" "records" and "affecting" "details" , the "film" "exposes" the "emotional toll"