AD 170 Banna Fort, Hadrian’s Wall Two soldiers are seemingly murdered by the holy men of a cult that was wiped out by the Romans a century earlier. Newly promoted officer Aurelius Petrus and Centurion Julius Maximus are tasked with finding the murderers.  The Roman Army seek a quick resolution to the brutal crimes, which have unsettled the communities within the fort and its surrounding areas. Their search takes them across the wild regions inhabited by the Carvetti people. And Petrus must battle against the fiercest of enemies to find the truth.