A spark was enough to expose the secrets of the Spanish monarchy… Alonso Torquemada, a journalist haunted by his past and his addiction to alcohol, is faced with one of the most explosive discoveries in Spanish history: a 1908 court file exposing a paternity suit against King Alfonso XII. This document, if its accusations are confirmed, could have radically altered the line of succession of the Bourbons. As Torquemada delves deeper into his investigation, he is drawn into a dark web of corruption and deceit that spans from the underworld of prostitution to police corruption. His search pits him against ruthless criminals and members of high society, each with their own secrets and hidden agendas, willing to put their lives and those of those around them at risk… Francisco Marco, renowned private detective and author, weaves a plot full of unexpected twists and vivid descriptions, portraying a turbulent Madrid at the beginning of the 20th century. The summary is an intriguing novel that reveals what Spanish history tried to bury, exploring a world where power and betrayal intertwine in unexpected ways.