"CEFR A2 - Flyers-Ket. Wally Walker and the evil Lady Goff are rivals in the scrap and recycling business. When Specks invents a machine that Lady Goff wants, she and Clott steal it but it doesn't work without the password. Meanwhile, Wally's family have an adventure trying to rescue Specks. Lady Goff won't release them until Specks gives her the password."