In this episode, Dougie walks the Postie’s Path on the Coigach peninsula in Wester Ross, discovering out it transformed life in this remote community and how it is being protected for the future. Meanwhile, Anne is searching for the enormous ferox trout in the depths of Loch Ness, while Euan is in Perthshire to find out why a flock of sheep are being let loose to graze a field of wheat. He is also celebrating one of his favourite birds - the kingfisher. With the World Clydesdale Show coming to Scotland in 2022, Arlene meets the mares and newly born foals hoping to take part.