"As an intelligence agent-turned-courthouse janitor, Paul McGrath notices everything and everyone - but no one notices him. It's the perfect cover for the justice he seeks for both his father and the people who've been wronged by a corrupt system. Now McGrath has discovered a missing file on Alex Pardew - the man who defrauded and likely murdered his father but avoided conviction, thanks in large part to the loss of this very file. And what lies behind...