Rome. AD 55. The Emperor Claudius is dead. Nero rules. Britannicus, however, has also laid claim to the throne. A bloody power struggle is underway. Prefect Cato and Centurion Macro return from campaign to find Rome in turmoil. All they want is a simple army life, fighting with their brave and loyal men. But thanks to his courage and leadership Cato has caught the eye of rival factions who will stop at nothing to get him on their side. To survive, Cato must play a cunning game, and enlist the help of the one man in the Empire he can trust: Macro. As the rebel force grows, legionaries and Praetorian Guards are moved like chess pieces by powerful and shadowy figures. A political game has created the ultimate military challenge, where the opposing forces know that only death awaits the losers. Can civil war be averted? The future of the empire is in Cato’s hands.