WATCH: Thomas Rainwater Threatens John Dutton's Legacy in 'Yellowstone'

To call Yellowstone's Thomas Rainwater (Gil Birmingham) and John Dutton (Kevin Costner) enemies would be an understatement. The two men find themselves on opposite sides of a cultural, legal, and financial battle to control the Montana town and valley in the new Paramount Network series.

'Yellowstone' Star Kevin Costner Talks His First TV Series Regular Role

The actor makes his debut in the Paramount Network series on June 20.

In this exclusive clip from "No Good Horses," the upcoming third episode of Yellowstone, Thomas reveals his plans to one day buy John's enormous Yellowstone ranch and tear apart his family legacy.

"I'm the opposite of progress," he tells John. "I am the past catching up with you."

Watch the clip below:

Yellowstone, Wednesdays, 10/9c, Paramount Network