Hart is a marshal, tasked with patrolling the strange and magical wilds of Tanria. It’s an unforgiving job, and Hart’s got nothing but time to ponder his loneliness. Mercy never has a moment to herself. She’s been single-handedly keeping Birdsall & Son Undertakers afloat in defiance of sullen jerks like Hart, who seems to have a gift for showing up right when her patience is thinnest. After yet another exasperating run-in with Mercy, Hart finds himself penning a letter addressed simply to “A Friend”.

Brishen Khaskem, prince of the Kai, has lived content as the nonessential spare heir to a throne secured many times over. A trade and political alliance between the human kingdom of Gaur and the Kai kingdom of Bast-Haradis requires that he marry a Gauri woman to seal the treaty. Always a dutiful son, Brishen agrees to the marriage and discovers his bride is as ugly as he expected and more beautiful than he could have imagined.

Ketahn did not want a mate. Fate has a different plan for him. When the queen he despises declares her intention to claim him, he retreats into the jungle.

Agenor, Lord Protector of the Fae Isles and right hand of the Mother herself, doesn’t expect anything to still surprise him after twelve centuries of life. Finding a taunting note from an anonymous thief in his wardrobe is enough to rouse his curiosity, though. Enough to do the unthinkable—write back. Then he finds out he’s been exchanging letters with a humble human. Worse, a human challenging him to his face.

Nevada Baylor is faced with the most challenging case of her detective career - a suicide mission to bring in a suspect in a volatile situation. Nevada isn't sure she has the chops. Her quarry is a Prime, the highest rank of magic user, who can set anyone and anything on fire. Then she's kidnapped by Connor "Mad" Rogan - a darkly tempting billionaire with equally devastating powers.