You have to understand the meaning of a codicil to understand the tone of this book. Adam Bruno is hired by the estate of one Matthew Marshell, who died from a stroke while spending time at his cabin. He had made a change to his will adding a codicil, requesting the estate do a search to find the woman and her child, who was definitely his, that he had unfortuantely, left behind in Vietnam. The family of Matthew Marshell, his wife Beth, and 2 of his children, were not n favor of this request, because the codicial changed the amount of money inherited. The oldest son, who was sucessful in the art world, a total opposite field to the father's technology field, felt it was worth loking into the possibilty of finding the other family of his father. Through a series of tracking old information using photos and matching names, Adam Bruno, is able to trace and locate the woman and the daughter, while dealing with threats to kill them. The Marshell household tries to negotiate a new settlement of less than what the codicil stated which is rejected, until Adam Bruno proves that the wife was behind the threats and deaths.