A BBC Radio dramatization. Without warning, a final-year Cambridge student leaves university and takes a job as a gardener. Eighteen days later he's found hanging by the neck in his cottage. Cordelia Gray, sole proprietor of the Pryde Detective Agency, uncovers long-suppressed family secrets.
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.