1936, Badajoz: His unit defeated, his ammunition spent, a boy-soldier flees into the hills pursued by Franco`s shock-troops. He will need more than luck to survive the day. 1953, Madrid: Amid snow-bound streets, the head of Franco`s secret police discovers the web of lies burying his past is unravelling. Even for a man feared throughout the city, the truth is a death sentence. 2009, Las Penas: Forensic Investigator Ana Maria Galindez unearths a mass grave in a disused mine. Her investigation will disturb forces that have lain dormant for decades. THE SENTINEL is a spellbinding thriller in a trilogy of rare power & scope that unlocks the dark heart of Spain, weaving past & present together to portray a country still scarred by civil war, still riven by fear & hatred, still plagued by secrets that refuse to die.