Solenne Carter hasn't stepped outside in one hundred and forty-eight days. The world feels like a distant memory, and survival is the only thing she has energy for. After a particularly bad episode, she's told to get fresh air—and that's when she meets someone who makes the world feel real again.

Lyric Harper wears her heart on her sleeve and notices something in Solenne from the very first day. Their conversations start as notes passed between them, and slowly, Solenne realizes Lyric isn't trying to fix her—she just wants someone who will sit beside her and see her for all of who she is.

As their friendship blossoms into something more, Solenne begins to imagine a future she thought was already gone. And for the first time in a long time, she dares to ask herself:

What if I don't want to disappear?