Born to a French mother and an American father, Étienne Campbell is a skeptical American reporter who has made his way to Paris like so many others before him -- seeking inspiration to write novels. Now freed from work and a disloyal lover, he hopes to restart his life and discover whether his seemingly irrational belief that guardian angels exist is true after all. It is not long before he meets the beautiful and progressive Emma Chastel, a museum curator and the former tenant of his Left Bank apartment. She is searching for a document she left under a rug before moving out, and as the two become acquainted they find themselves involved in an unexpected romance. Meanwhile, a captivating American neighbor moves into his building. Scarlett Kennedy, who has come to Paris for a new job, graciously offers to read Étienne's manuscript and provide feedback. While his French girlfriend reignites his passionate side, his mysterious American neighbor seems to know more about him than she should. As he becomes unwittingly immersed in French political corruption, Étienne soon discovers that Scarlett has entered his life to offer more than just friendship and proof that another world really does exist. In this fantasy novel, an American novelist living in Paris is led in a completely new direction as he discovers passion, love, and his ultimate destiny in a surprising place.