Presented by Mark Lawson. Including: Nic Roeg's latest film Puffball stars Kelly Reilly as a young architect who strays into a world of supernatural mystery whilst redesigning a cottage in an isolated Irish valley. Novelist Julie Myerson reviews the film. Lancashire born playwright Jim Cartwright, whose script for The Rise and Fall of Little Voice was turned into a film starring Jane Horrocks and Michael Caine, talks about his debut novel Supermarket Supermodel, inspired by the sight of a beautiful girl working at a checkout desk. Errol Morris's latest film examines the role played by US Forces at Abu Ghraib prison. As a summer of non-stop festivals looms, Danny Robins reflects on festival overload and the vast array of options on offer.