Hadrian's Wall. An impregnable wall that for several centuries reliably protected the Roman part of Britain from the lands belonging to the rebellious Celtic tribes of the empire. It is the Roman garrison located at Hadrian's Wall that should become the new home for the beautiful Valeria, given as a wife to the commander of the legendary Petrian cavalry Mark Flavius. However, the appearance of this woman near Val is a spark that ignites a fire of murderous passions, mysterious crimes and sophisticated intrigues...