Joe is a young child who lives with his mother, Joanna, in working-class London. The two live over the tailor shop of Mr. Kandinsky, who suches as to tell Joe stories. When Kandinsky informs Joe that a unicorn can approve desires, the enthusiastic boy ends up buying a child goat with one small horn, thinking it to be an actual unicorn. Unalarmed by his rough surroundings, Joe commences to confirm that dreams can come true.