Michael Portillo continues his rail adventure from Halifax, Nova Scotia, to Quebec City, following his 1899 edition of Appleton's Guide to Canada. In the Acadian fishing village of Neguac, New Brunswick, he discovers sea-farmers are producing up to 15 million oysters a year. Michael takes to the water to investigate how it is done and is rewarded with a taste of the freshest mollusc he has ever sampled.