Far off in the West, bounty hunter Red Bill searches for the man who slew his mother; in nearby Greenvale, where it hasn't rained for years, local farmer Steve finds gold beneath his land; Sheriff McCoy comes upon a small fortune.

After Red Bill (Douglas Booth) is captured, old memories come back to haunt him; McCoy (Dominic Cooper) comes upon Butler's (Aiden Gillen) farm; Steve (Christian Cooke) and Eve's (Niv Sultan) relationship woes intensify.

Red Bill travels the barren wastes with McCoy and Kurt; in Greenvale, Eve's struggle to maintain her business is threatened; Thompson's claim to Steve's land is taken up a notch.

Fifteen years earlier, Red Bill learns about being a man from a rugged Civil War veteran, Anderson. McCoy and his vile older brother, Bronson, must resort to increasingly dark means as a struggle to survive the desert.

In the present day, McCoy, Red Bill, and Kurt go into the mines, where trouble starts. In town, Eve has to face serious repercussions for her crime. Somewhere else, a present day Bronson runs for governor.

Rain comes to Greenvale, bringing with it great struggle; Bronson's men encounter McCoy and Red Bill; unexpected reunions abound.

In the wake of the shoot-offs with Bronson's men, Red Bill and McCoy must come together for a common goal; Thompson's pressure on Steve reaches a boiling point.

In the season finale, Red Bill and McCoy's quest for Bronson comes to a breaking point, as impossible decisions and realizations are made; Bronson takes a new step toward power; Steve faces Thompson in a final standoff.