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?