How did the members of what seemed an obscure Jewish sect become the most influential group in the Roman Empire?

The bizarre story of the Emperors Nero, Marcus Aurelius, Diocletian and Constantine, confronted by the early Christians, provides the central thread of this compelling history. It focuses on the Christian community centred in Rome, the capital of the Empire and site of the martyrdom of Saints Peter and Paul. It was here that Christians gave witness with their lives and deaths to the new faith, and so gave birth to a new civilization. It is here, in Rome, that a visitor can still see and touch many of the places and the buildings where the Empire of the Caesars was conquered from within by the religion of love