The swordswoman Thorn has had enough of sorcerers. She has escaped outlawry and found a good warrior job. Then she is assigned the deeply dangerous duty of destroying the magic of a sorcerer named Windbourne who has been unjustly accused of murderer. Now Thorn is an outlaw again, fleeing death with the sorcerer she rescued and searching for her sorceress-friend Frostflower, while vengeful, powerful relatives of the murdered priest-lord seek their destruction.