Dougie Vipond is near Aberfeldy in Perth and Kinross investigating how climate change is causing an increase in diseases spread by ticks. He meets a sheep farmer who lost more than 70 animals to a virus and hears how scientists are a working on a vaccine. Arlene Stuart is in North Lanarkshire finding out how a herd of Wagyu cattle have developed a taste for potatoes, Shahbaz Majeed picks up his camera in search of some miniature subject matter and Anne Lundon is on the Isle of Mull bringing in the oyster harvest.