Jennifer Corner is a rather scatterbrained middle-class housewife. Her husband Henry is a school art teacher, and they have three children, Henry, Robin and Trudi.

Mary Bunting is sitting alone when to her surprise and delight a rabbit six foot tall - elegantly dressed in frock coat and fancy waistcoat - appears. As he is a magic rabbit, he can be seen only by Mary, which naturally creates great confusion and misunderstanding.