After a year of city living, marine biologist and professional diver Monty Halls returns to live the good life in the Highlands and Islands of Scotland. This time, he and his canine companion, Reuben, are sharing a restored crofter's cottage on the Hebridean island of North Uist. And this time, he has a job to do - as volunteer wildlife ranger. Monty throws himself into island life - Highland Games, fishing for salmon and trout, and exploring the wildlife and remote reaches of his new domain. But winter is just around the corner, and he also needs to dig peat for fuel...