When her sister is murdered, leaving a single clue to her death-a cryptic message on Mac's cell phone--Mac journeys to Ireland in search of answers. The quest to find her sister's killer draws her into a shadowy realm where nothing is as it seems, where good and evil wear the same treacherously seductive mask. She is soon faced with an even greater challenge: staying alive long enough to learn how to handle a power she had no idea she possessed--a gift that allows her to see beyond the world of man, into the dangerous realm of the Fae. . . .
As Mac delves deeper into the mystery of her sister's death, her every move is shadowed by the dark, mysterious Jericho, a man with no past and only mockery for a future. As she begins to close in on the truth, the ruthless Vlane--an alpha Fae who makes sex an addiction for human women-closes in on her. And as the boundary between worlds begins to crumble, Mac's true mission becomes clear: find the elusive Sinsar Dubh before someone else claims the all-powerful Dark Book--because whoever gets to it first holds nothing less than complete control of the very fabric of both worlds in their hands. . . .