Muus is only a thrall, a chattel without rights, but he knows the small, blue shard he picked up belongs to him alone. Kjelle, heir to the Lord of a rich mininghold, is strong, and covetous of his thrall's tantalizing find. The one's greed causes an avalanche that leaves both young men marooned on an icy mountain slope. The other's commonsense saves their lives from cold and starvation. Now the antagonists are bound together on a danger-laden journey...