S2021, E1: Olympic champions Jayne Torvill and Christopher Dean travel to Alaska on an extraordinary quest to fulfil a life-long dream. But will warming temperatures ruin their plan to find the most magnificent natural setting to skate their iconic Bolero? The hunt for wild ice takes them by train and husky-sled deep into the remote wilderness, skating whenever they can. Their mission ultimately becomes a beautiful and unique tribute to our fragile planet. Stephen Fry narrates.