When Bertram Lanz goes missing from a local diner near Greenbury, the entire community of the small upstate New York town volunteers to search the surrounding woods. Bertram had been on a field trip with the staff and fellow residents of the Loving Care Home when he vanished. When no trace of the man is found, the disappearance quickly becomes an official missing persons case and is assigned to detectives Peter Decker and his partner Tyler McAdams. As their investigation deepens, the seasoned Decker becomes convinced that Bertram hadn't lost his way but must have left with someone he knew. Soon Decker discovers that Elsie Schulung, a recently fired nurse who had worked at the home, seemed to be especially interested in Bertram. But answers prove elusive when Elsie disappears and human blood is found in her kitchen.