While Saladin ruthlessly sets about uniting the whole of Arabia under his rule, the Kingdom of Jerusalem is torn apart by treachery and intrigue, and when the murderous knight Reynald of Chatillon raids a caravan heading from Damascus to Mecca and rapes Saladin's sister, the scene is set for war. In June 1187, Saladin marches into the Kingdom with an army of over 24,000 and imposes a crushing defeat on the Crusader forces at the Horns of Hattin. It is only a matter of time before he marches on a panicked and demoralized Jerusalem. But what about Saladin's longtime ally, the Saxon knight John of Tatewic? In the face of annihilation, is he friend or foe? It will take all John's knowledge of the man he calls his brother to negotiate a peaceful fate for Jerusalem - but this is not the end of the story. For in England the soon-to-be crowned King Richard has pledged revenge and a new Crusade ...