The story is about a young woman, Julia, who found the opportunity through an expensive procedure to Marc Levy, to find out who is (was?) Really his father. All this while Julia was about to marry Adam. We can not really say more at the risk of losing the reader the opportunity to discover over the twists and turns the pages that the author prepared to hold spellbound.
In short, a good beach book aficionados will love Marc Lévy fail.