Six o'clock on a perfect morning in the Australian Outback as photographer Caroline Webster and her husband, Matthew, set out from the small roadside motel with two close friends. Travelling South to the coast through the remote region of the Boanyoo Ranges, they encounter a female stranger desperately in need of their help. What unfolds next is a shocking and unrelenting game of cat-and-mouse and a psychological day of terror as they are victimised by three unknown strangers. This confrontation is just the beginning of a painful learning process, as they discover that nothing will ever be the same again.