Growing up in her sleepy Cornish village dreaming of being a writer, sixteen-year-old Lou has always wondered about the grand Cardew house which has stood empty for years. When the owners arrive for the summer - a handsome, dashing brother and sister - Lou is quite swept off her feet and into a world of moonlit cocktail parties and glamour beyond her wildest dreams. But, as she grows closer to the Cardews, is she abandoning her own ambitions? Is there something darker lurking at the heart of the Cardew family?