Welcome to the Island of Struay, home of one of the best-loved characters in children's books and as seen on TV - Katie Morag McColl! Grannie Island doesn't think much of Granma Mainland's fancy ways, but when a prize sheep gets stuck in Boggy Loch on Show Day, it's up to the ever-resourceful Katie Morag to save the day - with a little help from her two grandmothers...