The Australian Outback is a vast and empty place, hiding many secrets. When Alec, a young geologist, impatient to start his field work for university research, takes his beautiful young wife, Katherine, and their baby to the edge of the South Australian desert he fails to recognise the hidden dangers. On a lonely track their vehicle breaks down and he goes for help, leaving his family alone. On his return his family has vanished. What happened to Alec's family? What is Katherine's fate?