The Dutton family, owners of the largest ranch in Montana, fight ruthlessly to keep their land from the neighboring Indian reservation and the new chief seeking to reclaim it.

The Duttons deal with a painful family anniversary. Kayce saves a young girl from danger. Jamie and Beth plan their respective political careers. Rainwater makes an ominous threat to the Dutton legacy.

A secret about John comes to the surface. Beth shows Jenkins a rough night out. Quality time with Tate leads to a close call.

As Kayce feels the heat from tribal police, Jamie works some legal magic. Rip recruits a new cowboy for the ranch, and a beaten-down Jimmy begins to find some respect. John makes a play to keep Kayce and Monica close to home.

John reveals a family secret to Monica, Jamie ramps up his political career, Beth pushes John too far, Kayce and Rip butt heads, and a new partnership threatens Yellowstone.

Rip stumbles upon a dangerous and dire situation. A plan is set in motion designed to squeeze John Dutton and threaten his way of life. Monica begins a tough recovery.

A Sheriff’s investigation turns the heat up on Rip. Jamie makes a bold decision about his future and faces the consequences. With the walls closing in, John discovers which family and allies will stand with him and fight.

John discovers his true alliances, Rip searches for answers, Jamie's political career is threatened, Beth takes on a new role, and Kayce returns home.