After questing through the sidhe realms with her ex-hellhound lover, Nathan, Kai Tallman Michalski has finally returned home. But she knows Nathan will eventually be called back to serve his queen—and Kai will have to decide whether to enter her majesty's service as well. Sure, the job comes with great bennies, but there's one big downside: she would have to swear absolute fealty to the Queen of Winter.

For now, though, Kai is glad to be home, and glad that Nathan completed his mission for his queen with surprising ease. But what seemed to be a quick conclusion turns out to be anything but. The two of them helped thwart the sidhe god of chaos—and he is not happy about that. He's got plans for them. Plans, too, for the sidhe who killed him some three millennia ago. Nor has he abandoned his plans for Earth, as they learn when chaos begins bursting out all over...