The power in this film is that the action and dialogue is understated. We're not subjected to the full visual horrors of life in the concentration camps yet we feel what it was like nevertheless. The main characters' problem in reconciling the differences between being incarcerated in a 'normal' gaol along with 'normal' criminals and their 'code of conduct' - and the imprisonment and abuse of 'normal' citizens is an ever present theme that is conveyed with complete mastery by the script writer, actors and director. An incredible film of enduring merit. The gaunt features of the actors seemed tailor made for this instructive entertainment.