Caesar has brokered an uneasy alliance with the two other most powerful men in the republic. Between them, they dominate the political system, and Caesar appears untouchable. He leaves Rome to take the governorship of Gaul – modern-day France – to conquer its people and win yet greater power and prestige. But events beyond his control threaten to unravel his plans and leave him isolated. Pushed into a corner, he makes a decision that will change the course of the republic forever.