From the moment American Sabrina Sullivan sets foot on the new dig site with her Irish archaeologist husband, a destructive brew of natural and supernatural forces conspires to break their bond. The most destructive force of all is the inexplicable sexual energy relentlessly pulsing between her and her new boss—her husband's best friend—making her want things she shouldn't. When her marriage begins to crack, Sabrina is faced with the most difficult choice of her life—reach across the chasm of mistakes to hold on to the man she loved enough to marry or forge a new life with the man who has been hers forever.