Lord James Harrington and his wife, Beth, happen upon a road accident where the driver, Bernard Potter, is seriously injured. While giving first-aid, Potter mumbles concerns about his daughter which James takes as the ramblings of a dying man. But, when visiting Mrs Potter, they realise that her husband...
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.