As a Fury, Marissa Holloway belongs to an Arcane race that has meted out justice since time immemorial. As Boston's chief magical investigator, it's her duty to solve any crimes committed by or against supernaturals. Months have gone by since Riss discovered some unwelcome truths about her past--and managed to stop a supernatural war. Since then things have been quiet. Too quiet. But that all changes when the bodies of Bastai, shapeshifters also known as Cats, begin piling up in Boston's magical underbelly--even though the legendary shifters are supposed to have ninety-nine lives. One common thread ties the victims together: all were old flames of FBI Agent Harper Cruz. And since Harper and Riss's lover Scott Murphy enjoyed a one-night stand before he and Riss reunited, the Fury has twice the incentive to crack the case wide open, before the killer's green-eyed gaze turns in Scott's direction.