Kat, the self proclaimed mean girl of her town. She's the girl that everyone knows and talks about but isn't quite the what you'd expect a popular-ish girl to be like, and that's just how she likes it.
Nate, often found in your high school library or tutoring a fellow classmate, he's the relaxed guy caring guy
that under normal circumstances would never even talk to a girl like Kat, much less be ex longtime friends.
But these are not normal circumstances.