Jim is mortified to discover that he has an attic full of rats. Luckily Adyhan Khan knows just the fella - Curtis Plum, a DJ turned anarchist ratcatcher with a dark past. In his heyday Curtis was pretty famous on the Acid House scene, and Carol was enamoured. So much so that she sent him a precious family heirloom ring as fan mail. But now the chance has arisen, she wants it back.