Maddie Finn lives with her mother above a converted stable in the grounds of a big house owned by the gloomy Harold Delamore. It's their cosy refuge against the world and Maddie's favourite task is to walk Sal, Mr Delamore's rare, prize-winning dog. But one day Maddie and her mother are given two months notice by the trouble-making Delia Delamore, home from her boarding school or has she been ...