Overview: Aborigines in the heart of the Australian outback plan a ritual killing with Boney as the intended victim when he investigates the mysterious death of a geologist. The Aborigines say the geologist has been trampled by the 'monster of Alice Gap', protector of their sacred burial ground. Investigations lead Boney on the track of a cattle stealing operation. Based on the novel 'The Lake Frome Monster'. Filmed in Central Australia.