When national park ranger Anna Pigeon needs to find peace, she turns to nature for solace. Lucky for her, it's close at hand - but then again, so is murder.Newly assigned to Mesa Verde National Park in Colorado. Anna is enthralled by its ruins: the ancient cliff dwellings of a vanished Native American civilization. But Anna's reverie is shattered by an inexplicable illness affecting visitors to the popular land mark - and two mysterious tragedies: the death of a child, and the murder of a friend. Now she mst find the very human source of the evil wind that is blowing through the ruins. For it threatens more innocent lives - including Anna's own.
