David Booker returns to Romney Marsh on the south coast of England for a holiday. He is expecting to spend time helping his aunt and uncle pack up the stock of their second-hand bookshop in preparation for a happy retirement. He arrives in Dymchurch on a miserable April night to find his relatives missing without word or clue regarding their whereabouts. As events unravel, the outlook of the local police pushes Booker to search for his own answers to the questions surrounding his family's disappearance. To unravel the mystery he will have to put himself in danger. Will Booker find the answers he needs and make it out alive?