The story follows two main threads that eventually collide in the "Eternal City":
A serial killer is terrorizing the city during the carnival season, staging elaborate murders that mimic the martyrdom of Christian saints.
Magistrate Rebeca de Palacios is blackmailed after her daughter, Marta, is kidnapped in Rome. To save her, Rebeca must acquit a dangerous criminal she is currently judging.
This guide covers the thriller , the second installment in the acclaimed Valentina Negro and Javier Sanjuán series co-authored by criminologist Vicente Garrido and Nieves Abarca . Guide to Martyrium
is a dark, psychological thriller that shifts the series' setting from Spain to the atmospheric streets of Rome. It is known for its deep dive into the minds of serial killers, aided by Garrido’s professional background in criminology. 1. Plot Overview