The roads across Italy are in disrepair. Defending his name, and to prove Rome's greatness, Senator Lactus Bifidus announces a special one-off chariot race. Julius Caesar insists a Roman must win, or Bifidus will pay. Open to anyone from the known world, competitors arrive from far and wide, including Asterix and Obelix. With Bifidus secretly scheming, who will win this almighty chariot race?
