Just as a degree of calm returns to Spike Sanguinetti's life in Gibraltar, he receives the shocking news that his Maltese uncle and aunt are dead after a domestic dispute escalated into a blood-soaked murder-suicide. Accompanied by his aging father, Spike crosses the Mediterranean to Malta for the funerals. It falls to Spike, a lawyer, to act as executor of the wills. The more he looks into his relatives' deaths, however...
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.