On odd days, Tripp uses a school practice room to let loose on a borrowed guitar. Eyes closed, strumming that beat-up instrument, Tripp escapes to a world where only the music matters. On even days, Lyla Marks uses the same practice room. To Tripp, she's trying to become even more perfect—she's already a straight-A student and an award-winning cellist. But when Lyla begins leaving notes for him in between the strings of the guitar, his life intersects...

When Christian, an online friend, posts a lot of nasty comments on her page, Lara tries to kill herself--but that is only the beginning of the backlash for her sister, Sydney; her former friend Bree; and her classmates.