At the hilltop fortress of Alesia, Vercingetorix leads a desperate force of Gaulish warriors in a last stand against a Carthaginian army led by the Roman Julius Caesar. With other tribes surrounding him Caesar elects to fight an innovative campaign. As the besiegers in turn become the besieged history is reaching a climatic point. It is 53BC and Caesar must win his finest battle but for his masters not just for himself.