Oslo Psychiatric Hospital Gøustad. At the dawn of a cold winter day, one of the patients is found strangled. His mouth is open in a silent scream. Police inspector Sara Goeringen, who arrived at the scene, immediately realized that she was faced with a case out of the ordinary. Questions arise one after the other: what is this strange scar in the form of the number 488 on the forehead of the victim? Where did the ominous drawings come from on the walls of the hospital room where he was kept? Why does the hospital management have almost no information about the identity of the person who spent more than thirty years there? So for Sarah began a confusing and extremely dangerous investigation, which will make her wander around the world a lot: Paris, London, the volcanic island of Ascension, the abandoned mines of Minnesota, Nice … Her partner will be the French journalist Christopher Clarence, with whom she will discover the stunning truth, buried in top secret laboratories.
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