The most important thing is that Jess Wong is Angie Redmond's best friend, even if Angie can't see how she truly feels. It's okay that Jess is the girl on the sidelines that nobody notices. That means she's free to watch everyone else and be at Angie's side. But when Angie starts falling for Margot, a girl from the nearby boarding school, Jess can already see what's going to happen. And suddenly her gift for observation is a curse.
As Angie drags Jess further into Margot's circle, Jess finds more than her friend's growing crush. Secrets lie just beneath the carefree surface of this world, and when they come out, Jess knows Angie won't be able to handle the consequences. When the inevitable darkness finally descends, Angie will need her best friend.