Feverishly paging through a disturbing anonymous manuscript that she believes has world-changing potential, New York literary agent Isabel Reed catches the attentions of Copenhagen veteran station chief Hayden Gray, who resolves to keep the book's secrets from being exposed.

"American expat Kate Moore drops her kids at the international school, makes her shopping rounds, and meets her husband Dexter at their regular café: a leisurely start to a normal day, St-Germain-des-Prés. Across the Seine, tech CEO Hunter Forsyth stands on his balcony, perplexed that his police escort just departed, and frustrated that his cell service has cut out; Hunter has important calls to make, not all of them technically legal. And on the...