When Erika's dear friend David was diagnosed with cancer and lost his father in the same week, he made himself a promise: once he was healthy, he'd climb Mount Kilimanjaro. He invited Erika to join him; an old dream of hers, and a daunting one. Months of physical training got her ready for the climb. But on the mountain's coldest night, shivering and out of layers, it was 25 years of mindfulness practice that got her through till morning.