It wasn't hard to follow the scent of blood to the living room where the fae had been killed. It had been a violent death, perfect for creating ghosts.

Mercy Thompson enjoys life as a mechanic, but life is never simple given her increasing closeness to the local werewolf pack, and her ability to change into coyote form at will. And when a member of the fae community calls in a favour, needing her skills for a covert murder investigation, she jumps into the hunt.

But the dangers multiply and she clashes with shadowed creatures of great power. When her old boss Zee is charged with a brutal assassination, Mercy find herself fighting alone. There are those who love her, who would keep her safe, but she is wary and holds her freedom precious. Until, that is, she has nothing left to lose but her life ...