A massive earthquake rocks Nepal on April 25, 2015. In Kathmandu, centuries of culture are destroyed. In Langtang, an entire village is wiped out of existence. On Mount Everest, base camps and climbers are buried in a tsunami of ice. Thousands are dead, untold numbers are injured, and half a million homes are lost. Witness it firsthand, through personal footage and accounts of the survivors. Then discover the science behind this deadly force, and what, if anything, can be done to prevent such a disaster from happening again.