This hilarious 'Just William' story, new to radio and told of course by Martin Jarvis, is a chilling tale of nocturnal visitation and psychic revelations. As always, William's primary motivation is to do good and pursue happiness, so when elderly Cousin Mildred confides to him that her dearest wish is to encounter a ghost, he decides to help her fulfill her ambition - regardless of the consequences. Written by Richmal Crompton. Director: Pete Atkin Producer: Rosalind Ayres A Jarvis & Ayres Production for BBC Radio 4.