Tells the stories of those families powerful enough to have shaped British history during the past millennium. The Churchills, the Cavendishes and the Norfolks are represented, as well as several Scots and Irish clans, through to the "media barons" of the 20th and 21st centuries.
Criminal investigating officer Hanne Wilhelmsen considers the possibility of a serial killer as she tracks down a series of numbers written in blood appearing on walls all over Oslo.