The Glass Hotel By Emily St. John Mandel

Vincent is the beautiful bartender at the exclusive Hotel Caiette. When New York financier Jonathan Alkaitis walks into the hotel and hands her his card, it is the beginning of their life together.

That same night, a hooded figure scrawls a note on the windowed wall of the hotel: 'Why don't you swallow broken glass.' Leon Prevant, a shipping executive, sees the note from the hotel bar and is shaken to his core.

When Alkaitis's investment fund is revealed to be a Ponzi scheme, Leon loses his retirement savings in the fallout, but Vincent seemingly walks away unscathed. Until, a decade later, she disappears from the deck of one of Leon's ships ...