Yellowstone continued to air Season 1 on CBS on Sunday (Oct. 8), and Episode 6 revealed a terrible health struggle as one of the Dutton family survived an attack.

Episode 6 begins with Kayce (Luke Grimes) in a confrontation with Rip (Cole Hauser), who believes he is not pulling his weight on the ranch. The conversation turns violent, and Rip ends up besting Kayce in a fistfight.

John (Kevin Costner) is growing closer to Tate (Brecken Merrill), and Monica (Kelsey Asbille) is concerned, asking him about the Yellowstone brand that Kayce (Luke Grimes) and others bear. John ends up telling Monica a dark family secret as he tries to gain her trust.

Elsewhere, a journalist becomes interested in the Duttons and their story, while Chairman Rainwater (Gil Birmingham) begins to make a move on the Paradise Valley development that threatens the Yellowstone Dutton Ranch.

During a meeting with the governor, Jamie (Wes Bentley) discovers that John had had cancer, which he disguised, while Beth (Kelly Reilly) and the governor end up at cross purposes.

Episode 6 also features a confrontation between John and Beth Dutton, as well as an incident in which Monica is shoved to the ground at the school where she teaches. She ends up with a concussion, and she collapses at the end of the episode, leaving viewers to wonder if she is alive or dead.

Yellowstone airs on CBS every Sunday night.

As part of Taste of Country's comprehensive coverage of all things Yellowstone, check out our Dutton Rules podcast on Apple Podcasts and Spotify.

PICTURES: Look Inside 'Yellowstone' Season 1, Episode 1: 'Daybreak'

Yellowstone Season 1 makes its debut on CBS on Sept. 17, bringing the saga of the Dutton family to a whole new audience. Take a look at some highlights from the series' debut episode in the pictures below.

Gallery Credit: Billy Dukes

PICTURES: Look Inside 'Yellowstone' Season 1, Episode 2: 'Kill the Messenger'

Yellowstone continues on CBS on Sunday (Sept. 24). Season 1, Episode 2, "Kill the Messenger," finds the Dutton family dealing with the fallout from the deadly confrontation at the Broken Rock reservation.

Gallery Credit: Billy Dukes

PICTURES: Look Inside 'Yellowstone' Season 1, Episode 6: 'The Remembering'

Yellowstone continues its Season 1 run on CBS on Sunday night (Oct. 8), and photos ahead of Episode 6, "The Remembering," hint at what's to come.

Gallery Credit: Billy Dukes

PICTURES: See Inside Kevin Costner's Spectacular Colorado Ranch

Yellowstone star Kevin Costner lives the ranch life when he's off the set of the hit show, too. The Oscar-winning actor owns a 160-acre ranch in Aspen, Colo., that's a spectacular getaway, complete with a main residence, a lake house and a river house.

The luxury retreat also features a baseball field, a sledding hill, an ice rink, multiple hot tubs and views of the Continental Divide. The ranch property comfortably sleeps 27 people, and it's currently available to rent for 36,000 a night.

Gallery Credit: Sterling Whitaker

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