From USA Today best-selling author Brett Battles comes the latest in his award-winning Jonathan Quinn thriller series. Jonathan Quinn has had better years, but now most of the trouble is behind him, if not forgotten. There is one issue that remains unresolved - the break between him and his partner, Nate.
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.