Tallulah and her boyfriend, Zach, both nineteen, are going out on a date, leaving their infant son with her mother, Kim. Kim watches her daughter leave and, as late evening turns into night, which turns into early morning, she waits for her return. And waits. The next morning, Kim phones Tallulah’s friends, who tell her she was last seen heading to a house party in Surrey, England called “Dark Place.” She never returns. A year later, Sophie Beck, a mystery writer, is walking in the woods near the boarding school where her boyfriend works as a head-teacher when she sees a hand-lettered cardboard affixed to a tree that reads: “DIG […]