In the heart of Budapest, a chilling act of terror ignites a city on the brink. When a revered priest is murdered and the sacred Holy Right relic is stolen, the ultranationalist Eröszak party seizes the moment, unleashing a tide of anti-Semitic violence. Psychologist and ARKANE agent Dr. Morgan Sierra finds herself trapped within the Dohany Street Synagogue alongside Zoltan Fischer, a hardened Hungarian Jewish security advisor. As chaos descends, they must race against time to uncover the truth behind the theft and expose a conspiracy threatening to plunge Budapest into a darkness not seen since the Second World War. Can they find the Holy Right before the city bleeds anew?