1072 AD. The Normans have captured England. The Turks have captured a Norman knight. And in order to free him, a Frank warrior named Vallon must capture four rare hawks. As they track their quarry to the far ends of the earth, from Greenland to Russia to Constantinople, Vallon and his comrades must brave raging Arctic seas, savage Vikings, and blood-drenched battlefields in a relentless race against time.