On the tidal island of St Michael's Mount, west Cornwall, boatman Josh Sedgeman must ready the island's amphibious vessel for winter. In north Devon, Clovelly fisherman Stephen Perham is looking forward to the start of the herring season. In Lanlivery, Cornwall, potato farmer Steve Dustow has developed a vodka distillery using home-grown spuds and is devising a new line in bespoke gin. There's wild camping on Dartmoor and a search for blue sharks off the Isles of Scilly.