When faced with impossible choices, how do you decide what matters most? For ten years, the incorruptible Tribune Titianus enforced Rome's laws. He's four days from leaving the Urban Cohort to teach at his brother-in-law Kaeso's school when Emperor Hadrian and the Praetorian Prefect draft him to secretly investigate and thwart an assassination plot...one that might involve his own commander. He can't refuse, but if Hadrian's enemies discover...