English Country Estate, 1815 Dissolute aristocrat Lord Valiant Oakenhurst hides a sexy, supernatural secret—as a powerful incubus, he is able to influence others through erotic dreams. At an exclusive Christmas house party, his latest mission is compromised by the beautiful but deadly succubus Lucille Beaulieu. Though still drawn to his former lover, Val cannot forget her betrayal.... Hoping to atone for her past, Lucie uses her seductive powers to help couples find happiness. But she is distracted from her task by her own delicious dreams of the dark and dangerous Val. As the riotous festivities begin, their passion is reinvoked, but can a little Christmas magic restore their lost trust?

Hampshire, 1816 Garrick, Lord Westerly, has forbidden the hanging of mistletoe, yet the holiday house party at his country estate sizzles with sensual desire. And though Theodora Southern decided long ago never to marry, she has been enjoying the erotic fantasies that haunt her each night—fantasies featuring her handsome, brooding host.... Since returning from the war, Garrick has been in no mood to celebrate. But suddenly the nightmares that plague him are making way for much more pleasant dreams—dreams in which his childhood friend Theodora is very much a grown woman. The question is, has he fallen in love—or fallen under a wicked spell?