In Sicily, en route to the Holy Land, the crusaders sack the town of Messina and Alan rescues and then falls in love with a beautiful Muslim slave-girl. But someone is trying to assassinate Robin - possibly the duo's old enemy Sir Richard Malbisse, who joins King Richard's army in Sicily and very soon has the royal ear as a favoured courtier.
As Alan and Robin fight their way through the conquest of Cyprus, the siege of Acre and the climatic carnage of the battle of Arsuf near modern-day Tel Aviv, Alan discovers that Robin's motive for coming to the Holy Land is not as honourable as he had imagined...