Two city-bred siblings are stranded in the Australian Outback, where they learn to survive with the aid of an Aboriginal boy on his "walkabout": a ritual separation from his tribe.Two city-bred siblings are stranded in the Australian Outback, where they learn to survive with the aid of an Aboriginal boy on his "walkabout": a ritual separation from his tribe.Two city-bred siblings are stranded in the Australian Outback, where they learn to survive with the aid of an Aboriginal boy on his "walkabout": a ritual separation from his tribe.