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.