Detective Roger Viceroy, divisional head of the Midwest Region Special Crimes Unit, awakes one morning to a bombing in a wealthy suburb of Milwaukee. As he dives into the investigation, a mysterious clue launches a manhunt with scant other evidence to point him in the right direction. Over the coming weeks, related murders unfold. each with a unique twist and the same clue left behind. Viceroy uncovers one other thread - a random association with the small north woods town of Curwood. As the death toll mounts, Viceroy has to connect the dots and stop the carnage before it reaches the final target, Governor Kay Spurgeon. Within a crowd of tens of thousands on a clear October day, one man hides. Viceroy must find him.