David, Janet and Bobby go to stay with their great-uncle on the coast and discover what appears to be an incomplete map. They wonder what it represents and they investigations lead them into danger. Can they fathom out the secret of the map?
David, Janet and Bobby go to stay with their great-uncle on the coast and discover what appears to be an incomplete map. They wonder what it represents and they investigations lead them into danger. Can they fathom out the secret of the map?