Kallan Garrik is hunting the soulstealers who killed his wife. His determination and skill at eliminating these murderous predators earn him command of the elite Hunter's Brigade. A position known as The King's Steel.

Thirty moons of tracking and killing have left him jaded and hollow. So, he is caught off guard when a routine investigation puts him on the trail of the most powerful and bloodthirsty adversary of his career.

A trail of victims leads him to Castle Basset where he meets the alluring and mysterious hunter, Vala. Even together, they are all but devastated by the monster's strength. While recovering from their injuries, they learn their overwhelming opponent is but one of many. Their leader is focused on getting revenge against both their kingdoms...