In the sun-drenched, historic streets of Seville, a chilling true-crime mystery unfolds as this documentary series delves into the hunt for a shadowy figure whose crimes have haunted the city for decades. Through meticulous archival research and gripping firsthand accounts, the narrative follows the dedicated investigators and journalists, including Ana de la Reguera, who become consumed by the pursuit of truth. The central conflict pits their relentless search for answers against a labyrinth of dead ends, bureaucratic obstacles, and the fading memories of a traumatized community. Blending the atmospheric tension of a noir thriller with rigorous investigative journalism, "The Predator of Seville" paints a haunting portrait of a beautiful city grappling with a dark secret, exploring the profound impact of an unsolved case on the lives of survivors and the soul of Seville itself.