At seventeen, Anna K is at the top of Manhattan and Greenwich society (even if she prefers the company of her horses and dogs); she has the perfect (if perfectly boring) boyfriend, Alexander W.; and she has always made her Korean-American father proud (even if he can be a little controlling). Meanwhile, Anna's brother, Steven, and his girlfriend, Lolly, are trying to weather an sexting scandal; Lolly’s little sister, Kimmie, is struggling to recalibrate to normal life after an injury derails her ice dancing career; and Steven’s best friend, Dustin, is madly (and one-sidedly) in love with Kimmie. As her friends struggle with the pitfalls of ordinary teenage life, Anna always seems to be able to sail gracefully above it all. That is…until the night she meets Alexia “Count” Vronsky at Grand Central. A notorious playboy who has bounced around boarding schools and who lives for his own pleasure, Alexia is everything Anna is not. But he has never been in love until he meets Anna, and maybe she hasn’t, either. As Alexia and Anna are pulled irresistibly together, she has to decide how much of her life she is willing to let go for the chance to be with him. And when a shocking revelation threatens to shatter their relationship, she is forced to question if she has ever known herself at all.