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.

A penniless noblewoman, Kat is on the verge of losing everything when she's offered a well-paid job that could be her salvation… or her ruin. Drawn into court's deadly intrigues, she's given a single task: spy on the powerful fae lord known as the Night Queen's Shadow. Bastian Marwood is handsome, ruthless, and cunning, but Kat can't decide if he's a threat to her kingdom or just her heart. To uncover the truth, she must play a dangerous game of desire and deceit, pushing him to reveal his secrets while protecting her own.

Bryce Quinlan had the perfect life-working hard all day and partying all night - until a demon murdered her closest friends, leaving her bereft, wounded, and alone. When the accused is behind bars but the crimes start up again, Bryce finds herself at the heart of the investigation. She'll do whatever it takes to avenge their deaths. Hunt Athalar is a notorious Fallen angel, now enslaved to the Archangels he once attempted to overthrow. His brutal skills and incredible strength have been set to one purpose - to assassinate his boss' enemies, no questions asked.

Twenty-four-year-old Saeris Fane is good at keeping secrets. No one knows about the strange powers she possesses or the fact that she has been picking pockets and stealing from the Undying Queen's reservoirs for as long as she can remember. But a secret is like a knot. Sooner or later, it is bound to come undone. When Saeris comes face-to-face with Death himself, she inadvertently reopens a gateway between realms and is transported to a land of ice and snow. The Fae have always been the stuff of myth, of legend, of nightmares… but it turns out they're real.

With her death foretold, Althea Zoltaire only has three years to become what she’s always dreamed of being: a warrior legend. Women are forbidden to wield blades, so she has trained in secret her entire life. Now racing against the clock, she fights to secure her place in the elite guild charged with the protection of the five kingdoms. The sparring and hazing of the new trainees border on deadly, but even more dangerous is her growing attraction to Wilder Hawthorne, her unwilling warrior chaperone. All around them, schemes are afoot and darkness looms.