Piper Kitts is spending the summer living with her grandmother, training at the barn of a former Olympic horseback rider and trying to get over her ex-girlfriend. Much to Piper's dismay, her grandmother is making her face her fear of driving head-on by forcing her to take lesson with a girl in town.

Kat Pearson has always suspected that she likes girls but fears her North Carolina town is too small to color outside the lines. But when Piper's grandmother hires Kat to give Piper driving lessons, everything changes.

Piper's not sure if she's ready to let go of her ex. Kat's navigating uncharted territory with her new crush. With the summer running out, will they be able to unlock a future together?