Three suburban girls meet at a boarding school for troubled teens.
Eight years later, they were dead.
Bustle editor Samantha Leach and her childhood best friend, Elissa, met as infants in the suburbs of Providence, Rhode Island, where they attended nursery, elementary school, and temple together. As seventh graders, they would steal drinks from bar mitzvahs and have boys over in Samantha's basement—innocent, early acts of rebellion. But after one of their shared acts, Samantha was given a disciplinary warning by their private school while Elissa was dismissed altogether, and later sent away. Samantha did not know then, but Elissa had just become one of the fifty-thousand-plus kids per year who enter the Troubled Teen Industry: a network of unregulated programs meant to reform wealthy, wayward youth.

Less than a year after graduation from Ponca Pines Academy, Elissa died at eighteen years old. In Samantha's grief, she fixated on...