Henry Graves has dedicated his life to the prison service, but he's unprepared for the challenge his new secret assignment brings: managing a government facility hidden in the countryside. Tom Clarke, a journalist, meets Julia Priestley who seeks his help in finding her estranged husband, arrested under new anti-terrorism legislation. The authorities admit to taking him but not where - or why. Discovering a trail that implicates the top of government, Tom and Julia begin a quest to find him, and the truth. Soon the couple find themselves fighting for their lives ...