But when she does, Tamsen discovers something more shocking than the psychological history of a family and the pain of a deeply troubled boy. Tamsen begins to examine a shadowy connection between this crime and a pattern of violence around the country.
Suddenly Tamsen is caught between science and the law, between the man she loves and a truth she must pursue. Inside an explosive mystery that involves genius, greed, hope, and murder, Tamsen may become the most dangerous player of all: the one who knows too much...