Jack Baines and Nick Dymond plan to turn 275,000 sunflowers, growing outside Truro, into the county's first sunflower cooking oil. But they're at the mercy of the Cornish weather.
On Bodmin Moor, Emma Collison welcomes two new woolly arrivals to her alpaca trekking business. On Dartmoor, farmer Steve Alford and his partner Hayley build a cosy shepherd's hut to rent to tourists.
Wendy and Andy hope that their ambitious cucamelons and tomatillos will tickle taste buds at Liskeard's farmers' market. In South Molton, a youthful pony stallion is up for inspection.
In Falmouth harbour, a pair of powerboaters put a 1980s Kohaku through its paces. In the Teign Valley, a woodsman and his daughter attempt to revive the lost tradition of making stave baskets.