This episode explores tensions between the drive for mastery over nature, versus the goal of living in balance with nature in light of real world tensions regards the natural flow of Australia's river systems. During a walk beside a billabong just outside of Mildura, in the heart of an area dubbed the fruit and vegetable bowl of the region this episode reflects upon The Irrigation Project - which established thriving outback agricultural industries which some argue imposes a heavy cost to those downstream.