The flowering of the Roman Empire saw incomparable power and civilization – and at the same time corruption, cruelty and depravity on an unparalleled scale. Emperors from Augustus to Tiberius and Nero built the biggest empire the world had ever seen, while presiding over a way of life riddled with violence, deviancy and excess. This special visits the archaeological sites of ancient Rome, talks to leading historians world-wide and uses stylish reconstructions to describe and explain how good and evil went side by side.