In south Devon, Izzie gets in a flap about a dress, while Catherine gets swept up in the story of a village lost to the sea. Both hope to profit from railwayana and violins.

Izzie Balmer visits a top secret location and makes a discovery, while Catherine Southon buys some Georgian shoe buckles and an anchor. Izzie plans an upset at the final auction.

Roo Irvine and David Harper begin their trip in Lincolnshire, where they find chocolate moulds and opera glasses. Roo takes refuge in a nuclear bunker, and David heads offshore.