English vineyards are growing in reputation in the global wine market, so Laura and Rosemary are excited to be invited to the Crickle Valley Vineyard. But weeds are choking this year's crop, and the gardeners are stumped for a horticultural solution to this massive problem. Events turn sinister when a visiting wine columnist staying at the
winery's hotel dies in mysterious circumstances. Brothers Ben and Stuart, who run the vineyard and hotel respectively, are at odds over the future of the property - a rivalry made worse by the murder of Ben's girlfriend, and Stuart's employee, Daisy.

Martin and Pauline are surprised by the number of patients coming to see him on the last day before his Surgery closes and he moves to London. Taxi driver Tommy delivers a patient to the Surgery, but complains of migraine headaches himself. Martin checks him for any serious brain conditions, and tells him to make an appointment with the new doctor if the headaches continue. Martin is driving out of Portwenn with the moving men when he sees Tasha fall from the Harbour Day stage.