Zera is a Heartless - the immortal, unaging soldier of a witch. Bound to the witch Nightsinger, Zera longs for freedom from the woods in which they hide. With her heart in a jar under Nightsinger's control, she serves the witch unquestioningly. Until Nightsinger asks Zera for a prince's heart in exchange for her own, with one addendum: If she's discovered infiltrating the court, Nightsinger will destroy Zera's heart rather than see her tortured by the witch-hating nobles.   

Syrah Carthan doesn’t know why she accepted a job as the first female fire chief at Sequoia National Park, where, decades earlier, a forest fire killed her parents. That day, her brother, Romelo, disappeared, as if pulled into the scorched earth itself. Syrah has always had an uncanny affinity for the natural wonders of the park she protects, but after she sanctions a prescribed burn that goes terribly wrong, she quits her position in disgrace.

Owned by a ruthless Assassin Lord, Scarlett Monrhoe and her two sisters have been trained since they were children to torture and take life. They are the most feared trio on the continent, but they are also wild and unpredictable. A tragic night has Scarlett finding herself locked away in a noble's household, trapped and forgotten, until she's ready to fall into line.

Everything about my life is a lie. As a hidden twin princess, born second, I have only one purpose―to sacrifice my life for my sister if death comes for her. I’ve been living under the guise of a poor, obscure girl of no standing, slipping into the palace and into the role of the true princess when danger is present. Now the queen is dead and the ageless King Eidolon has sent my sister a gift―an eerily familiar gift―and a proposal to wed. I don’t trust him, so I do what I was born to do and secretly take her place on the eve of the coronation.

Enna knows to fear the mystings that roam the wildwood near her home. When one tries to kill her to obtain an enchanted stone, Enna takes a huge risk: fighting back with a mysting of her own. Maekallus’s help isn’t free. His price? A kiss. One with the power to steal her soul. But their deal leaves Maekallus bound to the mortal realm, which begins eating him alive. Only Enna’s kiss, given willingly, can save him from immediate destruction. It’s a temporary salvation for Maekallus and a lingering doom for Enna.