In 1993, Greg Mortenson tried to climb K2 in honor of his younger sister, but when another member of his group got sick, they turned around and Greg became lost in the mountains of Pakistan. He wandered into a poor village, where the village chief and his people took him in. Moved by their kindness, he promised to return and build a school for for the children. Over the next decade, Moertenson built more than sixty schools in Pakistan and Afghanistan.