After surviving a kidnapping and battling with spriggans, Matilda Whipplethorn finds her life in a suburban human house pretty boring. She's been excluded from school because of her fire-making abilities and her former friends are afraid of her. Salvation comes in the form of a life-threatening illness. Her tutor, Miss Penrose, needs a medication and there's only one place to get it, the spriggans. Matilda heads back to the antique mall to save Miss Penrose even though it just might cost her everything.
Mercy Watts is trying to recover from a tumble through a rocky river, but crime just won’t let her be. A retired librarian takes a life and Mercy takes her case under duress, of course. Soon she’ll be drawn in by this unusual criminal and she’ll have a choice to make with painful consequences.