Maggie Wildwood was your average teen, until the day the little sister she is watching is stolen by a flock of birds, and Maggie's life is turned upside down. But that is not the odd first thing that's happened when Maggie was nearby. Her cousins, Wrestling and Tammie, are pulled into this and Tammie recalls disturbing memories of her first encounter with the birds. Meanwhile, a boy named Cal is desperate to save his family from a strange curse, even if it means allowing himself to be manipulated by... unsavory characters. Soon, it becomes clear that all of this extends far beyond the town they live in, even beyond their world.