Theories abound when a Russian gets himself killed by the shore of Lake Superior near Duluth, Minnesota - shot with fifty-year-old bullets. "What's going on here?" When it turns out he had very high government connections back home, state troubleshooter Lucas Davenport gets the call. Well actually, Lucas and a mysterious Russian cop with secrets all her own. Together, they'll follow a trail back to another place and another time, and battle the shadows they discover there - shadows that turn out to be both very real and very deadly.