The Ghastly McNasty twins are the ghastliest, nastiest pirates ever to sail the seven seas, and they have invaded the town of Little Snoring in their hunt for treasure. But best friends Hetty and Tat are determined to stop them. The clever kids must deal with the Big, Scary, Very Dark, Dense Forest Where No One In Their Right Mind Would Want To Go, poisonous fudge and other nasty obstacles on their quest. Who will find the treasure first?