Widowed Mrs Martingale and her four children inherit a castle in the will of an elderly relative. When they move in they find dear old Miss Button, the housekeeper, a whole host of cats and, odder still, a boy called Christopher Sixpence who keeps appearing and disappearing. What is he doing there?

Cast:Cicely Walper, Wilfred Downing, Elizabeth Saunders, Caroline Denzil, Colin Gibson,

Genre:Mystery, Action & Adventure,

country:United Kingdom,

Production:BBC,