A ghost from Zoya's past draws her into violence and heartbreak in Barcelona. When Valentin Popov, an ex-KGB analyst who was once like an uncle becomes the target of an assassin at a gala wedding, Zoya must cooperate with a secretive intelligence officer from the Spanish CNI---a man she can't trust---to reach Popov before an assassin does. The problem is, neither man may be what he seems.