Artistic, expressive Libby Saperstein and cool, aloof Ebony White are two overachieving high school seniors who have been locked for years in a tense academic battle for a top ten spot in their school's prestigious ranking. But when they decide to team up on an important project, affection grows. How can someone be your favorite person and the one you hate the most? Through literary debates, study sessions, cat-chasing adventures, and late night heart-to-hearts, the girls begin to realize that maybe they never hated each other at all.