Callie is a normal college freshman, perfectly content with being a nobody to the rest of the world. Billie is an international superstar, growing tired of the baggage that comes with being famous. When the two meet and Billie realizes Callie has no idea who she is, she decides not to tell her anything about her fame, feeling normal for the first time in a while. As their friendship blossoms, Billie finds herself growing curious, while Callie finds herself catching feelings.

What haunts Sam Hughes? ("The Multitudes Within Me" is the sequel to "The Sound of Ice.")