Nestled in the Adirondack Mountains of upstate New York lies a picturesque retreat for the conservative young women of the Sanctity Covenant religion, surrounded by crisp, pine-scented breezes and the endless blue shimmer of Coyote Lake. But dark secrets lurk behind closed doors at Valley of Rubies, and what emerges from the summer shadows is nothing less than terrifying. Adel Rosse, an investigative journalist for Vanity Fair looking...