Jack is a pleasant and imaginative ten-year-old boy. He lives with his parents and sister in the heart of Mid-Sussex. It's the beginning of the long summer holiday and the family embark on a trip to the beautiful South Downs, where they plan to explore the countryside and local villages along the way. It doesn't take long before Jack and his mother Anne begin to experience unexplained occurrences. Later in the day Jack makes a new friend, which marks the start of a very unexpected and unwanted journey…