Glister and her father live at Chilblain Hall - home to an orchard with a remarkable collection of trees. Not least, the very special Butterworth Tree. It is said that when the Butterworth Tree blooms, a bumper crop of Butterworth relatives from past, present and future will fall. Of course, Glister longs to have a big family and dreams of cosseting aunts and devoted uncles, hoping upon hope that the tree may even bear fruit of the famed Butterworth Giant...