The story of a retired man who decides to fulfil his life-long ambition of walking from one end of Britain to the other. The story of a retired man who decides to fulfil his life-long ambition of walking from one end of Britain to the other. The story of a retired man who decides to fulfil his life-long ambition of walking from one end of Britain to the other. The story of a retired man who decides to fulfil his life-long ambition of walking from one end of Britain to the other.