Yellowstone recap: Beth confronts Jamie

Beth (Kelly Reilly) knows. To be fair, Beth always knew, but now she's gotten the confirmation she needs.

In the tenth episode of Yellowstone's final season, news of John's (Kevin Costner) death starts to spread. And Beth, already suspicious that Jamie (Wes Bentley) was behind their father's "suicide," heads straight to her brother's office.

When he can't look her in the eyes — even despite her slapping him three times — she asks, "Why can't you look at me, Jamie?" She then follows that up with, "We both know why, don't we?"

She then gives Jamie, who's remained silent, one last chance to look at her. And when he doesn't, she lets the threats flow, telling him, "Next time is the last time. Seeing me will be the last thing you ever do alive. I swear to God, Jamie, I will be the last thing on this planet your rotten f---ing eyes will ever see."

Before she walks out the door, she adds, "And I will be smiling."

After confronting Sarah (Dawn Olivieri) in the hallway (and throwing her to the ground), Beth then calls Kayce (Luke Grimes) and lets him know that it was indeed Jamie behind everything. He then calls an old friend to ask if he knows of any companies currently killing people for hire.

Meanwhile, Jamie reveals he intends to run for governor. As Sarah tells him, "You've won, Jamie."

At least for now.

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Yellowstone airs Sundays at 8 p.m. ET/PT on Paramount Network.