Ever since images of prisoners at Guantanamo Bay were first broadcast, the methods used to interrogate suspects in the War on Terror have come into the spotlight. This 2-hour history of modern interrogation methods uses a groundbreaking combination of reality TV and historical documentary. We pit a group of volunteers who think they can keep a secret against a team of military interrogators; and reveal stories of the 20th century's most influential interrogators and those they tried to break.