"Leo Parker's stay in Alphafen seems idyllic, but after he leaves, the nightmares begin: an airport turns into a labyrinth, his own words become treacherous if not lethal, and what are those creatures in the photographs he took? Even the therapy Leo undertakes becomes a source of menace. Perhaps Leo has roused an ancient Alpine legend. Even once he understands what he brought back, his attempts to overcome its influence may lead into greater nightmares still..."--