From the author of the USA Today bestselling Priest and New Camelot series comes the second in a high-heat, gothic, dark academia fairy tale full of lantern-lit rituals, foggy moors, and obsessions that last for a lifetime.

He's an outcast and a loner, named for death itself. Fate wasn't supposed to have plans for him.

But then she came back—the girl St. Sebastian Martinez once kissed in a thorn-covered chapel in the woods. She came back, and Saint could no more resist her than he could pry out his own heart. And by some trick of fate, she wants him as much as he wants her. The only problem? She also wants the man who owns Thornchapel, Auden Guest.

And so does Saint.

Eight years ago, Saint did something to Auden, something terrible. Auden hurt him back the only way he knew how, and so here they are: their hatred seasoned with pain and Saint's loneliness seasoned with longing. The only thing they can agree on is Proserpina Markham, and she wants them to find a way to be together—all three of them.

If Auden wants to earn her as his submissive, then he has to earn Saint as well.

But with the discovery of bones behind the altar and the carnal revel of Beltane fast approaching, it's becoming clear that Thornchapel's secrets are much deeper and older than any of them could have ever guessed. And no matter how bright and merry a feast of sparks may be, it's always followed by ashes.

And darkness.