Malcolm the Mole comes calling to ask Harry to come and watch young Denzil the Fly take his first flight and off they hurry to see the sight. But when they arrive Mrs Fly's in tears – young Denzil can't overcome his fears and simply cannot fly. As always, Harry comes to the rescue. He sits Denzil on his shoulder and takes him off to visit old Tobes the dog, who lives with the young wizard Josh Tobes.