​A constant topic of national and international news, the Central Prison of Porto Alegre is the subject of this documentary. Here, representatives of judicial, prosecutors and researchers analyze the critical situation of the prison, considered, in 2008, the worst in the country by the House of Representatives Parliamentary Inquiry Committee on the Prison System and a target of human rights violations denounces made to the Organization of American States. In addition to the material filmed by the team, the film features footages taken by the prisoners themselves.​