Val McDermid, creator of TV’s Wire in the Blood, mixes fact with fiction, dealing with one of the most important and symbolic moments in recent history.Twenty-five years ago, the daughter of the richest man in Scotland and her baby son were kidnapped and held to ransom. But Catriona Grant ended up dead and little Adam's fate has remained a mystery ever since. When a new clue is discovered in a deserted Tuscan villa – along with grisly evidence of a recent murder – cold case expert DI Karen Pirie...