One day Greg Mortenson set out to climb K2 - the world's second highest mountain - in honour of his younger sister, but when another member of his group fell ill, they turned around and Greg became lost in the mountains of Pakistan. He wandered into a poor village, where the chief and his people too...

One day Greg Mortenson set out to climb K2 - the world's second highest mountain - in honour of his younger sister, but when another member of his group fell ill, they turned around and Greg became lost in the mountains of Pakistan. He wandered into a poor village, where the chief and his people took him in.