"Nessa Garvey's sister Deena vanished without a trace in Philadelphia in 2004. In all that time, Nessa has never once doubted what her instincts told her: her sister's ex-husband has gotten away with an unspeakable crime. Nessa's niece, Ruby, is raised by her father, the man Nessa suspects, in rural Vermont, on the shores of Lake Champlain. Ruby learns how to hunt, how the plants and trees grow, how to avoid making her father angry. The one question...