In this captivating tale, the venomous Fulton Snodde-Brittle decides to terrify his young nephew Oliver. He enlists the help of the "Dial-a-Ghost" agency, hoping to hire the terrifying spirits Sir Belham and Lady Sabrina de Bone. However, due to a mistake, the good-natured Wilkinsons are sent instead. This friendly ghost family was killed in a bombing raid during World War II. Instead of frightening Oliver, the Wilkinsons befriend him and embark on an adventure filled with comical and unexpected events.