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Could you betray your government to save your country? Sam Barker works in IT at the Home Office. All he wants is to get his work done and enjoy a quiet existence. But when he's caught up in a terrorist attack on the London Underground, his life is turned upside down. As he lies recovering in his hospital bed, a shadowy figure visits him and tells Sam not only is he a key witness to the attack, but he has unique access to information which could blow open a huge conspiracy and bring down the British government. Will Sam risk everything he knows and loves to save his country?