Devon and Cornwall

In the Devon town of Teignmouth, mussel fishermen Matt and Barry Sessions look at new ways to diversify their business to ensure its future. To maximise their catch and use mussels that can't be sold commercially, Barry's producing his own gourmet smoked mussels from a specially built smoker, which they plan to sell to local restaurants and fishmongers. On Dartmoor, farmer Steve Alford and his partner Hayley hope to tap into the growing popularity of glamping, so with the help of Hayley's father, build a cosy shepherd's hut to rent out to tourists during the holiday season.

On their small holding in Cornwall, Wendy and Andy are experimenting with tomatillos - a Mexican fruit that looks like a tomato but with a savoury flavour. They're gambling that this exotic produce will catch on with the public. In Devon's Coly Valley farmer and builder Martin Banks is tasked with helping restore an ancient stone wall at Dunkeswell Abbey dating back to the 13th century. In the port of Brixham, fisherman Fraser Pugh is also hoping to grow his business of supplying hand-dived scallops.

Friends Gary Aldington and Nick Spencer attempt to turn a passion for retro powerboats into racing glory and prizes. The pair put Gary's '80s craft, Kohaku, through its paces in Falmouth harbour ahead of their first ever competition in Torquay. In the Teign Valley, woodsman John Williamson and 10-year-old daughter Betsy attempt to revive the lost tradition of making stave baskets, using ash collected from their very own 10-acre wood.