【明報專訊】Experts agree that there are some very basic-and universal-rules for surviving in the wild. Find shelter, find water, find food, find help. Beyond that, there is not much they agree on. Meet two skilled experts, military-trained Dave Canterbury and naturalist Cody Lundin, both of whom have very different methods of meeting survival challenges. Can they survive together? Or will the need to exert their survival habits lead them to further catastrophe (大禍) or worse, cost them their lives?