A ruthless aristocrat and an Irish squatter, Lord Jasin Heselwood and Pace MacNamara arrived in Australia with a hunger for land and a hatred of each other. Pace's pioneering spirit lives on through his three sons, John Pace, Paul and Duke, who find themselves at odds over their late mother Dolour's extraordinary will. Youngest son Duke is determined his brothers will not stand in the way of his ambitions, and purchases the splendid Mango Hill cattle station. Eager for land and rejected by the woman he loves, he joins a team heading west with a thousand head of cattle and encounters Edward, son of scheming Lord Heselwood. But bloodshed is on the horizon, as the group moves relentlessly towards a gathering storm of war with the warrior tribes of the great Kalkadoon nation.