Of course, there is a happy ending, even if the end is not at all from that envisaged by the characters, readers will have understood from the start so the story lack of research.
It was nice, but nothing more. This multiplication of viewpoints prevented me to attach myself to one or other of the characters, the transitions are not clearly defined, as well as the time scale.
This is a purely commercial novel by the author of the devil wears prada which shines here nor by its style or by its originality.