The sweeping new historical mystery about hidden secrets, old flames and a mysterious book. Switzlerand, 1926. Helen Fox lives a secluded life at the American Library of Geneva. There, she catalogues the books that arrive from Berne, combing through their pages to glean details about their deceased owners. It's a job she loves. That is, until the first chapter of her old flame August Hegland's new book is delivered to her. Despite being disguised as fiction, Helen immediately recognises herself in his story. and, terrifyingly, knows exactly how it ends.

As Helen grapples with the threat of long-hidden secrets resurfacing, she turns to Leo - an Austrian Baron and old companion - for protection. It is with dread, however, that she finds that August has gotten to him first. Suddenly Helen is stuck between both men, as she was during the war, and left trying to separate fact from fiction and truth from lies.