A lawyer is brutally murdered without any apparent motive. Conscious of the murderers bizarre behavior, the district attorney calls on forensic psychologist Manuel Artacho to unravel a mystery where the past and the banality of evil are the main characters. Artacho will navigate through the various facets of psychological and physical pain, having to face one of the most devastating testimonies of human cruelty The direct and fluid style, along with the unexpected turns of this gripping thriller place it among the best European works in the genre. Like all masters of the genre, J. M. Aguilar is, above all, an expert in human nature