After a lifetime of worrying about her weight Miriam Margolyes embarks on a provocative and entertaining new journey to work out whey the nation’s getting fatter.

She finds herself in a world of extremes – meeting people fighting the fat or trying to achieve bodily perfection by any means possible including irreversible gastric surgery which means they’re only able to eat tiny amounts of food at a time.  She meets people whose weight has meant  amputation and others who unapologetically embrace, enjoy and flaunt their size.