This is book three in a series. This review will contain spoilers for previous books in the series, so if you mind that sort of thing, skip this, and start at the beginning, with Dead Witch Walking.
Never one to live a quiet life, Rachel Morgan, independent witch for hire is in trouble. She successfully took down the master vampire who was summoning demons to murder leyline witches and lived to tell the tale. She had to bargain with a demon in order to do so, and he now wants to make her his familiar. She tricks Algaliarept, however, accidentally freeing his former familiar, a beautiful elf from the dark ages in the process. While he was unable to compel her to become his new enslaved familiar, he’s even more pissed off than before, and Rachel is in danger every time she taps a leyline.
Her boyfriend Nick has been distant and wary of her, ever since she had to tap a line through him (she accidentally made him her familiar in the previous book) to save her life. He leaves town suddenly without saying goodbye and while Rachel wants to deny it, it’s clear to her and everyone around her that he’s broken up with her and does not intend to return. To make matters worse, her business partner Jenks, the tiny pixy whose massive family are living with Rachel and Ivy, discovers that they knew the secret behind Trent Kalamack’s identity from him, and he quits the firm and moves out.
Ivy’s ex-boyfriend, Kisten Phelps, takes advantage of Rachel’s vulnerability after Nick leaves to make his move. Like Ivy, Rachel’s roommate and business partner, Kisten is a living vamp and while he knows Ivy is interested in Rachel, he also knows the witch professes to be straight. Once Rachel agrees to go on a date with him only if he can spend less than forty dollars total for the evening, he gratefully accepts the challenge. As Rachel only seems to enjoy hanging out with dangerous people, the date involves people trying to kill Kisten and a deadly curse being aimed at Rachel.
Lee Saladan, the casino boat owner who tried to kill both of them is making a power play in Cincinnati now that Piscary is in prison. He’s also interfering with Trent Kalamack’s business, and the influential and wealthy businessman comes to Rachel with an offer of employment. As his normal bodyguard, Quen, is susceptible to vampires, he won’t be able to fully protect Trent when he meets with Saladan. While Quen still believes Rachel will require a lot more training, not to mention control, to be a really good security operative, he knows that she has long experience with fighting vampire pheromones and has recommended her for the job instead. While Rachel still strongly dislikes Trent, she learned more about him while clearing him of murder in the last book, and he does pay such ridiculous amounts that she can’t really refuse. Trent also holds secrets about her father, who worked with Trent’s dad in the past, and helping him offers her a chance to discover more of her past.