'Surveillance is an Art-form. Great surveillance is a Masterpiece'. MI6 has a mole. A mole they haven't been able to identify. Information is being leaked to the competition. What the Chief of MI6 does know, for certain, is that his agents, across Europe, have died in unusual circumstances. MI6 have hit a dead-end in their investigations, and need to call on an outside source - MI5 - to assist them. Intelligence Operative Greg Kennedy, fresh from solving the puzzle of 'the Walk-In' (Book 1.) is seconded to '6' and set the task of building a surveillance team nonpareil. The goal? To identify the Mole and bring them to justice. The team has a Section 7. A UK Government 'get-out-of jail-free' card. But what they don't have is time. I.O Kennedy and his newly formed, and untested group, have the lives of their colleagues in their hands. The 2nd book in the trilogy, featuring MI5 Intelligence Officer, Greg Kennedy.