1187, in the battle of Hattin, Sultan Saladin completely destroyed the Christian army, and in the next two years - Christian states in the Middle East. This is in real history. And in its alternative version, described in the novel, the knights of the Order of the Temple, with the help of a wonderful artifact, the Cup of the Wrath of God, managed to turn the situation in the opposite direction. Saladin died, the Kingdom of Jerusalem received a peaceful respite. But twenty years later, peace in the Levant was again under threat. A detachment of knights went for the Cup, which is kept in England. A young Norman, Robert de Sainte-Sauve, will become the Guardian of the Chalice. On the way, the Templars face dangers of a very different nature. The Chalice, the secret of which could not be kept, is being hunted by the people of the French king, the Pope, and the Order of John of Jerusalem. Swords and even poison are used. But the Chalice itself is fraught with mortal danger. She is not just a weapon, but a powerful instrument, which, having awakened, strives to fulfill its destiny - to flood the Earth with streams of flame, streams of God's Wrath...