When a random phone number is written on your car, what do you do? Obviously, you text it. ••• Alex Hamilton is an outspoken junior in high school. Before school starts at the last party of the season, a phone number is vandalized on her jeep along with a message. With the push from her best friend Celeste, Alex makes the decision to text the random phone number, keeping an anonymous identity. Little does she know, the number belongs to the popular, all-star basketball player at her school, Jesse Campbell. He's rich, attractive, and the son of the Mayor of Newport Beach, living in a seemingly picture-perfect family with a picture-perfect girlfriend.But Alex doesn't know that it's Jesse behind the screen. The two make a deal to keep their identities a secret and continue texting each other. What started out as a fun joke spins into much, much more as Jesse starts to catch feelings for the mystery girl at the same time as he catches feelings for the real-life Alex, who turns out to be his lab partner, oblivious to the fact that they're one in the same. With Jesse's girlfriend Hannah in the picture alongside Alex's commitment issues that constantly scare her away from relationships, Alex and Jesse don't stand a chance of ending up together. And they're still anonymous to one another. But what happens when their identities are revealed over Christmas break and everything is suddenly changing?