It is the 12th century AD. Neil lives with his parents on a farm on the remote island of Lewis in the Outer Hebrides. He befriends Brother Durston, a Christian hermit living in a rocky cell nearby. The hermit speaks to the boy about the virtues of forgiveness and peaceful coexistence, and teaches the value of contemplation and prayer. But the visit of a Viking sea captain, Baldur, to the island makes the boy restless. He goes with Baldur to Iceland to deliver a walrus ivory chess set carved by Brother Durston to Baldur's father -- the Wolfhound. But Baldur's father has died, and his grave has been robbed of the hero’s famous weapons. Baldur's anger is intense, and he and Neil go on an exciting and dangerous journey across Iceland to recover the stolen weapons – the Weapons of the Wolfhound...