Amazon says:
"Marshall is an ex-undercover agent who has just survived the toughest assignment of his career. He settles into a temporary job in the Secret Service, guarding the President. Then a routine day goes wrong, and Marshall flees to Paris.

Ariana knows that as the daughter of an American Ambassador, her safety is always at risk. When one close call puts her in more danger than ever before, Ariana relocates to Paris – but trouble is never far behind. Her safety in Paris will depend on one man: Marshall.

Both plagued by secrets and fear, Marshall and Ariana must trust each other if they are to ever find freedom from their past . . ."

I haven't read the book but it has been standing in our office "library" far too long now, it's time for it to travel a bit.

Off you go, dear book, safe travels.