In 2010, a few days before the arrival of Pope Benedict XVI to Santiago de Compostela, the investigation into the disappearance of the young Marta Labrada in the small town of Murias, brings to light the bodies of 10 women. The priority of Lieutenant Javier Cao and Inspector Rosa Vargas will be to find Marta before they can kill her … Without imagining that they are not the only ones looking for the murderer.

The disappearance of the young Marta Labrada, provides local police officer Eva Mayo with new clues that can help her discover the truth about her sister’s disappearance a few years earlier. Aware that the police will never reopen the case, she decides to impersonate the identity of the National Police Inspector Rosa Vargas to follow the new clues that will help her discover why she disappeared. In the investigation she will discover the tragic end of her sister, uncover a prostitution network in which National Police and the Civil Guard are involved, but above all, she will find her sister’s murderer.