In 1950s Australia, tenacious veteran detectives Pollock and McArthur, united by a series of missing person cases, are led to a vast, sprawling and remote ranch in the remote Outback. Isolated, out on a limb, and each struggling with their own demons, the duo unwittingly stumble into a spider’s web: a highly intelligent, resourceful and implacable serial killer, himself scarred by war and hidden undiscovered for decades, is remorselessly stalking them.