On Jersey, sailing duo Deb and Chris take part in the historic Gorey Regatta, but as the race gets underway, they soon find themselves on course for a collision. Elsewhere on Guernsey, Angela and a team of conservationists are on a mission to rid the island of an invasive weed called Sourfig, and on the tiny island of Sark, carriage owner Helen gets to work training her newest recruit, a horse called Reggie