Read Blood by Moonlight Storyline:
Historical Fantasy set in 18th century Ireland, when a mad magician plunges the world into eternal Night, to win the hand of his beloved. But she has her powers too.An Irishman enamored, is a dangerous thing. Above all when he consorts with the Gentle People.Aengus loves Lady Agatha, but he is poor, and she is bedmate to a very wealthy man. Therefore Aengus kills the Sun and plunges the world into eternal Night, and a world where the wealthy man and all his ilk, sleep without end. And Aengus gains the body, if not the heart, of his ladylove.And then Lady Agatha learns magic in her turn...Pages of Blood by Moonlight :