How Jerusalem became the object of rivalry between Christian nations, the focus of the longing of Jews and the site of one of the world's most intractable conflicts.

In episode two, Simon discovers the impact on the holy city of a new faith - Islam. He explores Muhammad's relationship with Jerusalem, the construction of one of Islam's holiest shrines - the Dome of the Rock - and the crusaders' attempts to win it back for Christianity.

In episode one, Simon delves into the past to explore how this unique city came into being, explaining how it became of such major importance to the three Abrahamic faiths, and how these faiths emerged from the Biblical tradition of the Israelites.