Documentary exploring new discoveries about chariot racing in ancient Rome, exploring how influential the sport was in Roman culture. While charioteers are still among some of the best-paid sports stars in history, the stakes were particularly high, with riots provoked by the results of races and curses employed to influence the outcome. The documentary follows a team attempting to reconstruct a racing chariot and take it round a test track, and uncovers the story of the slave who became Rome's most successful driver.