Stigma : In southern California, a young Mayan boy with a blue-crescent-moon tattoo on his chest dies mysteriously. In central America, a puzzling illness is spreading among tribal villages. And soon - very soon - Luke McKenna, a pediatric E.R. physician in Los Angeles, will discover the link between these events and demons from his dark past. The secrets that haunt Luke are about to pull him and the woman he loves into a terrifying house of mirrors. The realm of science and the realm of death are colliding with devastating force, and the stakes couldn't be any higher - the future of the human species. Time is running out, and only by reawakening the ghost of Luke McKenna's past can they discover the truth.