Dr. Kara Cantrell settled in the sleepy town of Zorro, Texas, convinced she and her child had escaped the sinister reach of a supernatural underworld. But now dark forces may jeopardize her new life. Her only hope is Damien Morgan, a dangerous, alluring man with superhuman abilities. He and Kara share a mystical link that triggers desires they must ignore. But as they work together to protect her son, and begin tracking the evil stalking them, something threatens to push them toward the edge...of darkness.