he was a general, a brutal general. that's what saladin was. >> saladin uses both diplomacy and violence to forge his empire. and as he prepares to finally attack jerusalem, the crusader kingdom is in turmoil. >> the politics of the kingdom of jerusalem are horrendously complicated. we have different factions. we have vendettas. we have warring families. it's a little bit like "the godfather," an episode of "game of thrones," and even an easter mass all rolled into one. >> and a new ruler has just emerged on the throne, guy of lusignan. >> guy of lusignan comes from a noble family in the west of france. he's a bit of swashbuckling character. we know he's daring and attractive, good-looking. >> here you have this brash,