1 、哥斯达黎加：双面刃监狱 Costa Rica - Prison On A Knife-Edge 　　2、 哥伦比亚：毒枭监狱 Colombia - Narco Prison 　　3 、罗马尼亚：吉普赛监狱 Romania - Gypsy Prison 　　4 、挪威：完美的监狱 Norw

Investigative journalist Raphael Rowe spends a few days -- both as a guard and a prisoner -- inside Brazil's gang-filled Porto Velho Penitentiary.

调查记者作为志愿囚犯潜入世界上最为混乱的监狱。在那里，恐吓和暴行横行无忌。