Georgia, 1972. After Helen Harmon drops her three children off at school and her husband, Jerry, leaves for his job as a security guard at the state prison, she heads to her office at the Winkler Outdoor Advertising Company in Valdosta, Georgia-and is never heard from again. The Harmon family can't believe that Helen would simply vanish, but the thought of foul play is just too horrible to contemplate. Weeks and months pass, and the family...