When St. Paul Homicide Detective John Santana is assigned a cold case involving the murder of an environmental engineer, he begins to see connections to anothercase he once investigatedaathe murder of a young Native American woman. But in seeking justice for the victims, it soon becomes clear that someone wants to keep their deaths buried, someone very cunning . . . and very deadly. In his quest to hunt down the killer before he strikes again, Santana must deal with his own darkness and a conspiracy that threatens his lifeaaand the life of the woman he loves.