Newlywed couple Tessa and Robin juggle running a 48-bedroom castle and 50 acres of land with a special pair of Royal Highlander cows. In the auction room, a small but perfectly formed painting by one of the world's most famous artists, John Constable, is ready for auction. Silver enthusiast Oliver desperately hopes that a late 19th-century Japanese silver punchbowl will be coming home with him, while auctioneer Michael needs to sell a 1930s Philco radio that props-buyer Bridie and her mother Sara have fallen in love with