Antiques challenge in which two teams battle it out to see whose purchases can make the most profit at auction. Two teams do battle to find bargains at the antiques fair held at RAF Swinderby in Lincolnshire. They are helped in their quest by experts Catherine Southon and Thomas Plant. Meanwhile, Presenter Tim Wonnacott finds a hidden gem at the fair and also visits Tissington Hall which has been in the same family for over 400 years.