A funny thing happens to Jonah when he winds up at a bar in a strange city, meeting with an ancient vampire. He’s trying to get answers about a person he’s desperately searching for—an old love who had been attacked and turned while Jonah was imprisoned. But instead, he finds himself alone with her in a dark alley with her. fangs in his neck. Seconds later, she’s dying on the ground at his feet, poisoned by his toxic blood, and her followers are chasing him all over the city. The vampire's venom burns much of his memory away, though they're tantalizingly close. His mind is a blank as far as most of his personal history is concerned, so questions like, what are you, have to remain unanswered. Jonah's stripped naked and brought before a handsome, powerful vampire lord whose blood instantly calls to him, while deliciously erotic images of the two of them flash through his mind. This is the man he’s been seeking, which is unfortunate on many levels, since he only wants Jonah dead. What do you do when the love of your life demands answers—and you don’t have any? Do you meekly accept your fate, or do you fight like hell to cleanse the bitter taste of life without him from your soul? A complicated web of lies threatens both Jonah’s and his vampire lover’s lives, and they must fight their way to happiness through a confusing maze of intrigue and deception. Can Jonah’s vampire lord put aside his bitterness so they can save themselves? Or do they both go down fighting?

Jonah should have been happy, after surviving a whole year with the handsome, dangerous and exciting vampire, Lord Roman. After battling with the shifters and a near death experience with a witch the year before, Jonah’s now much closer to the love of his life, Roman—or at least closer than they’d been in over a hundred years. But there was still a distance between them that Jonah can’t seem to breach. Roman hasn’t completely forgiven him yet, nor does he trust him, and Jonah wonders if he ever will, or if he's just spinning his wheels. Then out of nowhere comes another mysterious and shocking encounter with the Light Seraphs—one that takes both Jonah and his memories away, leaving Roman to believe Jonah has betrayed him yet again. This time when they meet in battle, Roman is determined to kill his former lover, but can he do it? Or are his feelings for the beautiful, complicated Jonah just too strong? A vampire wedding, red wings, and revelations about Jonah’s past, along with a dangerous new character, brings more deception, more betrayal and even murder to Jonah and Roman’s lives. The truth about Jonah has to emerge, and Jonah and Roman need to forge a new trust and a new alliance, or they won’t survive. Cardinal Sin has scenes of action, violence, humor, and romance, along with a guaranteed happy ending.