Brook Deelman has left his police days in the past. The past isn't always so keen to let go... And when a certain ex-deputy commissioner doubts the backstory of a member of his London club, it's Brook's new detective agency he turns to. Now, seven years after the events of Non-Suspicious, Brook Deelman and some old friends must dig into the past once again – answers lurking in a Cold War era of secrets and shadows, patriots and traitors... The truth is always out there somewhere. But finding it could be the very last thing you do.