Experience the power of nature and how it has changed not only the face of the Earth, but the lives of people who have found themselves in its fierce path. Witness the destruction of twisting tornadoes and high-mountain avalanches, and the heroic search and rescue missions that followed. Meet fearless storm chasers and eye witnesses who film action as it unfolds in front of them, and meet the people who have seen the worst nature has to offer and survived.