Kitty Norville must defend her leadership of the Denver werewolf pack against a new, aggressive challenger while simultaneously preparing for a confrontation with an ancient vampire. Returning from London, Kitty finds her authority questioned by a new werewolf who seeks to usurp her position. This internal conflict complicates her urgent need to rally her pack and allies to face the formidable vampire Roman and thwart his long-term plans.

The novel continues the established narrative of Carrie Vaughn's Kitty Norville series, focusing on the protagonist's ongoing struggles with leadership and external threats. Readers familiar with the series can expect a blend of internal pack politics and supernatural conflict, with Kitty navigating complex relationships and power dynamics. The plot advances the overarching conflict with the ancient vampire Roman, building upon previous installments. The narrative structure likely maintains the fast-paced, character-driven style characteristic of the series.