Hacker Ani Lee is researching a strange .wav file, while Joe Dyson, an operative working for a secret teen division of British Inteligence, is looking into the disappearance of a friend caught up in the underground music scene. Their investigations intertwine.

Seventeen-year-old Piper knows that Father is a Prophet. Infallible. The chosen one. She would do anything for Father. That's why she takes care of all her little sisters. That's why she runs end-of-the-world drills. That's why she never asks questions. Because Father knows best. Until the day he doesn't. Until the day the government raids the compound and separates Piper from her siblings, from Mother, from the Aunts, from all of Father's followers--even...