A Staffordshire cream jug is one of the treasures discovered when Paul Martin and the Flog It! team visit the Cumbrian town of Barrow-in-Furness. Experts Anita Manning and David Barby also unearth a coin worth its weight in gold, but it's a cream jug that really makes one grandmother's day at auction. And Paul leaves the world of antiques behind to discover the inspiration behind Arthur Ransome's children's adventure stories.