Cruel beetle fashionista, Lucretia Cutter, is at large with her yellow ladybird spies. When Darkus, Virginia and Bertolt discover further evidence of her evil, they're determined to stop her. But the three friends are in trouble. Darkus' dad has forbidden them to investigate any further - and Lucretia's disgusting crooks, Humphrey and Pickering, are out of prison. Hope rests on Novak, Lucretia's daughter and a Hollywood actress, but the beetle diva is always one scuttle ahead ...